Examples of inputs and outputs from the MADRC dataset.
Researchers have developed a suite of free tools for analyzing vast amounts of brain dissection photographs at brain banks worldwide to enhance understanding of neurodegenerative diseases.
A new study reveals a strong link between regular physical activity and enhanced brain health. Analyzing MRI scans from 10,125 individuals, researchers found that exercise, even moderate exercise like walking, is associated with increased brain volumes in crucial areas like gray matter, white matter, and the hippocampus. The study underscores exercise’s role in reducing dementia risk and maintaining brain size.
Scientists have discovered that a part of the brain associated with working memory and multisensory integration may also play an important role in how the brain processes social cues.
In a first-of-its-kind study published in Nature, researchers recorded activity from hundreds of individual neurons while participants listened to spoken sentences, giving us an unprecedented view into how the brain analyzes the sounds in words.
A new study has unveiled three distinct cognitive deficits contributing to reading difficulties in individuals with left-sided neglect dyslexia, a condition that often follows a right-hemisphere stroke.
Researchers have unveiled a significant similarity between AI memory processing and human hippocampal functions. This discovery, bridging AI and neuroscience, highlights a parallel in memory consolidation – a process crucial in transforming short-term to long-term memories – in both AI models and the human brain.
A new study highlights the significant role of imagination in evoking empathy and driving prosocial behaviour.
A so-called pathological protein long associated with Parkinson’s disease has been found in a new study to trigger cells to increase protein synthesis, an event that eventually kills the subset of brain cells that die off in this neurodegenerative condition.
A new study presents a promising treatment for restoring the sense of smell in long-COVID patients.
Researchers have found that amyloid oligomers play a role in speeding up mitochondrial energetics during the early stages of Alzheimer’s, in contrast to what has been previously found in more advanced Alzheimer’s brain tissues. The results are publishedin Nature Communications.
Research led by the Karolinska Institutet, Sweden, has found an increased risk of cardiovascular disease associated with long-term ADHD medication use.
New research has uncovered a potential early marker for autism in infants: abnormally enlarged perivascular spaces (PVS) in the brain. The study found that infants with enlarged PVS had a 2.2 times greater chance of developing autism compared to those with the same genetic risk. The researchers followed infants with a higher likelihood of autism due to having an older sibling with the condition.
Signs of injury to the brain’s white matter called white matter hyperintensities, as seen on brain scans, may be tied more strongly to vascular risk factors, brain shrinkage, and other markers of dementia in former tackle football players than in those who did not play football, according to a study published in Neurology.
Artificial intelligence, coupled with data from an iPad coloring game, could assist in early diagnosis of autism, a new study shows.
A review in the Journal of Internal Medicine explores the potential of non-invasive interventions such as light, sound, and magnets to stimulate gamma brain waves for the treatment of Alzheimer’s disease. Such strategies may be beneficial because Alzheimer’s disease is characterized by reduced fast brain oscillations in the gamma range (30–100 Hz).
Finally this week, researchers have made a significant breakthrough in understanding the genetic basis of anxiety disorders (ADs), which affect over 280 million people globally.
Loneliness, often considered a pervasive and silent epidemic, extends its influence far beyond emotions. Recent research has delved into the relationship between loneliness and the brain, revealing a complex interplay between loneliness and our brain’s neural patterns. The findings reveal that irrespective of social connections, lonely individuals exhibit distinct brain responses, underscoring the profound influence of this emotional state on neurological function.
The Stress Response and Cortisol
Loneliness emerges as a trigger for the stress response embedded in the brain’s complex architecture. This emotional state sets off a cascade of physiological reactions, with the release of stress hormones, particularly cortisol. Cortisol, often referred to as the “stress hormone,” serves as a vital player in the body’s response to challenging situations. However, when loneliness becomes a persistent companion, the continuous surge of cortisol can become a double-edged sword, influencing various aspects of brain health.
Memory, a fundamental component of cognitive function, becomes susceptible to the influence of heightened cortisol levels. Chronic exposure to stress hormones has been associated with memory impairment, affecting both the formation of new memories and the retrieval of existing ones. The toll on memory processes paints a vivid picture of how loneliness, as a chronic stressor, can compromise cognitive abilities.
Moreover, the prefrontal cortex, a pivotal region of the brain responsible for higher-order functions such as decision-making, emotional regulation, and social behavior, becomes a focal point of the impact of loneliness. Prolonged exposure to elevated cortisol levels has been linked to structural changes in the prefrontal cortex, including a reduction in size. This structural alteration may contribute to difficulties in decision-making and emotional regulation, creating a cognitive landscape where the challenges faced by lonely individuals extend beyond mere feelings of isolation.
Inflammation: Loneliness’s Silent Companion
Loneliness has been linked to a silent companion—increased levels of inflammation in both the body and the brain. This chronic inflammatory state may have broader implications for neurological health, potentially contributing to cognitive decline and various neurological conditions.
In response to chronic loneliness, the body’s immune system becomes activated, leading to a persistent state of inflammation. This inflammatory response is not confined to peripheral tissues; it permeates the central nervous system, reaching the brain. The intricate crosstalk between the immune system and the brain reveals the far-reaching consequences of loneliness on neurological health.
The chronic inflammatory state associated with loneliness is of particular concern due to its potential implications for cognitive function. Research suggests that prolonged exposure to elevated levels of inflammation may contribute to cognitive decline and an increased risk of various neurological conditions. The brain, normally resilient and adaptive, can become vulnerable to the systemic effects of inflammation, leading to disruptions in neural circuits and cognitive processes.
In the context of loneliness, the inflammatory response may compromise the integrity of the blood-brain barrier, a protective barrier that regulates the passage of substances between the bloodstream and the brain. This compromise can allow inflammatory molecules to enter the brain, where they may trigger localized inflammation and disrupt normal neural function.
Moreover, the chronic inflammatory state linked to loneliness may contribute to oxidative stress—a condition characterized by an imbalance between free radicals and antioxidants in the body. Oxidative stress is known to play a role in neurodegenerative processes and has been implicated in conditions such as Alzheimer’s disease and other cognitive disorders.
Structural Changes in the Brain
Loneliness isn’t merely a psychological state—it extends its influence to cognitive performance. A growing body of research paints a compelling picture of the relationship between loneliness and cognitive performance, emphasizing that loneliness isn’t merely a psychological state—it’s a cognitive challenge that leaves its mark on the brain.
As previously stated, the brain, intricately sensitive to the nuances of social connection, undergoes structural changes in response to loneliness. The hippocampus, a vital region for learning and memory, appears to be particularly susceptible. Research suggests that alterations in the volume of the hippocampus may occur in lonely individuals. These structural changes may not only be markers of the cognitive challenges associated with loneliness but could also contribute to a cycle where loneliness begets cognitive difficulties, and cognitive difficulties perpetuate feelings of isolation.
Lonely individuals, it appears, may navigate a more demanding cognitive landscape compared to their socially connected counterparts. Executive functions, the high-order cognitive processes responsible for tasks such as decision-making, problem-solving, and planning, may be particularly vulnerable in the face of loneliness. Research suggests that lonely individuals may encounter challenges in efficiently executing these cognitive processes, potentially impacting their ability to navigate complex situations and make sound decisions.
Attention, a cornerstone of cognitive performance, also falls under the sway of loneliness. Lonely individuals may exhibit difficulties in sustaining attention and may be more prone to distractions, contributing to decreased cognitive efficiency. The persistent feeling of social isolation can divert cognitive resources towards monitoring social threats or interpreting ambiguous social cues, leaving fewer resources available for tasks that require sustained attention and focus.
Memory, another pillar of cognitive function, is not immune to the influence of loneliness. Studies indicate that lonely individuals may experience alterations in memory processes, affecting both the encoding and retrieval of information. The emotional toll of loneliness can introduce a cognitive bias, influencing the way memories are stored and recalled, potentially contributing to a distorted perception of social experiences.
Sleep Disturbances and Cognitive Consequences
Poor sleep quality, a well-established consequence of loneliness, is more than just a nightly inconvenience. It is a significant factor influencing overall brain health. During sleep, the brain undergoes crucial processes that contribute to cognitive functioning, memory consolidation, and emotional regulation. Disruptions in these processes due to poor sleep quality can result in cognitive consequences that exacerbate the challenges faced by lonely individuals.
Attention, concentration, and decision-making—all critical components of cognitive function—can be impaired when sleep quality is suboptimal. The brain’s ability to process information, learn new things, and adapt to changing circumstances may suffer, amplifying the cognitive challenges faced by those contending with both loneliness and sleep disturbances.
The link between loneliness and sleep disturbances is multifaceted. The emotional distress associated with loneliness can manifest as heightened arousal, anxiety, or rumination during the night, impeding the ability to initiate or maintain restful sleep. Individuals grappling with loneliness may find themselves caught in a cycle where the quiet solitude of the night magnifies their feelings of isolation, further complicating their struggle for a peaceful night’s sleep.
Mental Health and the Loneliness Connection
Loneliness, far from being a fleeting emotion, is intricately intertwined with mental health, and the consequences of this connection reverberate deep within the neural circuits of the brain. Research consistently underscores the heightened risk of mental health issues, particularly depression and anxiety, in individuals grappling with loneliness. The psychological distress stemming from a perceived lack of social connection can cast a shadow over an individual’s thoughts and emotions, contributing to the development or exacerbation of these conditions.
At the neurobiological level, loneliness influences neurotransmitter levels, the chemical messengers that facilitate communication between nerve cells in the brain. Dopamine, serotonin, and norepinephrine, crucial players in regulating mood and emotional states, are particularly affected. Loneliness may lead to imbalances in these neurotransmitter systems, contributing to the manifestation of depressive symptoms and heightened anxiety.
Furthermore, loneliness disrupts the delicate neural circuits responsible for mood regulation. The brain regions involved in emotional processing, such as the amygdala and the prefrontal cortex, experience altered activity in response to chronic loneliness. The amygdala, known for its role in processing emotions, may become hyperactive, amplifying the perception of social threats and fostering a heightened state of emotional arousal. Meanwhile, the prefrontal cortex, essential for regulating emotional responses, may exhibit decreased function, leading to difficulties in emotion regulation and decision-making.
The neural changes associated with loneliness create a feedback loop, reinforcing emotional distress and further compromising mental well-being. Prolonged exposure to these alterations can contribute to the persistence and exacerbation of mental health conditions, creating a challenging cycle for individuals trapped in the grip of loneliness.
Social Pain and Pleasure Systems
Neuroscientific studies reveal that loneliness triggers brain regions associated with physical pain. The neural patterns that activate during experiences of loneliness mirror those observed in response to physical distress, reinforcing the concept of loneliness as a form of social pain. The brain, it seems, interprets social isolation with a response akin to physical injury.
Conversely, positive social interactions, genuine connections, and shared moments of companionship activate the brain’s reward centers. The pleasure derived from such interactions is not merely subjective; it is deeply rooted in the brain’s intricate circuitry. Dopaminergic pathways, particularly those associated with the brain’s reward system, light up, releasing neurotransmitters that generate feelings of happiness, satisfaction, and contentment.
The neurological impact of loneliness is a multifaceted phenomenon, with implications that extend beyond emotional well-being. Understanding and addressing the neuroscience of loneliness becomes imperative for fostering a healthier, more resilient brain.
A team of international neuroscientists has obtained the first direct recordings of the human brain in the minutes before and after a brain hub crucial for language meaning was surgically disconnected. The results reveal the importance of brain hubs in neural networks and the remarkable way in which the human brain attempts to compensate when a hub is lost, with immediacy not previously observed.
A new study, published in Cell Reports, describes a novel molecular link between vitamin B12 and multiple sclerosis that takes place in astrocytes—important non-neuronal glial cells in the brain.
Australian researchers have flagged potential concerns over the use of social chatbots, calling for more studies into the impact of AI software on neurodiverse people and those who find human interaction difficult.
An exploratory study has shown that light, regular exercise can improve the cognitive as well as physical health of adults with Down syndrome.
Researchers at Linköping University, Sweden, have examined the brains of 16 patients previously hospitalised for COVID-19 with persisting symptoms. They have found differences in brain tissue structure between patients with persisting symptoms after COVID-19 and healthy people.
Scientists have discovered a new way a ribonucleic acid (RNA) impacts fear-related learning and memory.
Comparing PET scans of more than 90 adults with and without mild cognitive impairment (MCI), researchers say relatively lower levels of the so-called “happiness” chemical, serotonin, in parts of the brain of those with MCI may play a role in memory problems including Alzheimer’s disease.
A new study reveals a significant association between adverse childhood experiences and symptoms of muscle dysmorphia in adolescents and young adults.
Using electrochemical techniques and machine learning, scientists measured dopamine levels in real time during a computer game involving rewards and penalties. The findings shed light on the intricate role of dopamine in human behavior and could have implications for understanding psychiatric and neurological disorders.
A new study sheds light on the significant role of patients’ beliefs in the effectiveness of neurostimulation treatments for conditions like depression and ADHD. Analyzing five studies, the research team found that patients’ perceptions of receiving real or placebo treatments often had more impact on outcomes than the treatments themselves.
New research has found that smoking causes the brain to shrink and age prematurely, a condition not reversible even after quitting smoking.
Researchers have discovered a key player in alcohol addiction: pituitary adenylate cyclase-activating polypeptide (PACAP). This peptide, found in the “bed nucleus of the stria terminalis” (BNST), is linked to heavy alcohol drinking and withdrawal.
Finally this week, new research reveals that moderate exercise improves cognitive performance even under conditions of sleep deprivation and low oxygen levels.
Researchers have demonstrated the use of AI-selected natural images and AI-generated synthetic images as neuroscientific tools for probing the visual processing areas of the brain. The goal is to apply a data-driven approach to understand how vision is organized while potentially removing biases that may arise when looking at responses to a more limited set of researcher-selected images.
A first-line therapy for obsessive-compulsive disorder (OCD) reshapes connectivity of the brain, according to a new study
A new analysis of the brain activity of people with post-traumatic stress disorder (PTSD) is the first to reveal that traumatic memories are represented in the brain in an entirely different way than sad autobiographical memories.
Researchers have identified objective evidence of how the neck muscles are involved in primary headaches.
Optimal windows exist for action and perception during the 0.8 seconds of a heartbeat, according to research published in the open-access journalPLOS Biology. The sequence of contraction and relaxation is linked to changes in the motor system and its ability to respond to stimulation, and this could have implications for treatments for depression and stroke that excite nerve cells.
In a new study, researchers say they found high levels of a repair protein present long after a traumatic brain injury such as a concussion takes place.
A new study shows that individuals who report tinnitus, which presents as a ringing in the ears in more than 1 out of 10 adults worldwide, are experiencing auditory nerve loss that is not picked up by conventional hearing tests.
A new study has demonstrated that a novel treatment is effective in most patients with major depressive symptoms even after multiple failed courses of antidepressant medication. The treatment, repetitive transcranial magnetic stimulation (rTMS), may work even more rapidly than past findings have suggested, starting to alleviate symptoms as quickly as one week.
Finally this week, newborn babies can perceive the beat in music, new research has confirmed.
(A) Brain regions where spectra were measured (yellow box) (B) 1H MR spectrum in the hippocampus: Hippocampal taurine signal shown at 3.4 ppm (arrow). Black line: actual measured spectrum. Red line: LCModel fitting spectrum. Credit: Korea Basic Science Institute (KBSI)
For the first time, a research team in Korea has discovered there is a significant relationship between depression and the taurine concentration in the hippocampus, an area of the brain responsible for memory and learning functions. This discovery provides the opportunity to publicize the role and importance of taurine in future prevention, diagnosis, and treatment of depression.
A recent study reveals that individuals who experienced childhood adversity, such as neglect or abuse, faced higher chances of COVID-19 hospitalization or mortality in adulthood.
Time spent watching television or playing computer games has measurable and long-term effects on children’s brain function, according to a review of 23 years of neuroimaging research, which—while showing negative impacts—also demonstrates some positive effects.
A first-of-its-kind study has identified overactive inflammation and loss of critical protection mechanisms in the brain as potential contributors to suicide risk.
An international team of scientists has uncovered the vital role of microglia, the immune cells in the brain that acts as its dedicated defense team, in early human brain development. By incorporating microglia into lab-grown brain organoids, scientists were able mimic the complex environment within the developing human brain to understand how microglia influence brain cell growth and development.
Mayo Clinic researchers have identified new scoring criteria allowing for the detection of treatable forms of rapidly progressive dementia (RPD) with reasonably high confidence during a patient’s first clinical visit. This scoring criteria may allow physicians to substantially reduce the time it takes to begin treatment. The findings are published in the Annals of Neurology.
A new sudy has identified the top three genes responsible for traumatic brain injury complications.
Researchers have made a discovery that sheds light on how our brain cells manage to efficiently replace older proteins. This process is crucial for maintaining effective neural communication and ensuring optimal cognitive function.
A pair of studies has uncovered novel cellular mechanisms that are involved in two types of genetic amyotrophic lateral sclerosis, or ALS.
In a study published in the Journal of Neuroscience Research, psychological assessments indicated that people who regularly use cannabis, or marijuana, tend to have a greater understanding of the emotions of others. Brain imaging tests also revealed that cannabis users’ anterior cingulate—a region generally affected by cannabis use and related to empathy—had stronger connectivity with brain regions related to sensing the emotional states of others within one’s own body.
Finally this week, researchers have unearthed the genetic connection between the heart and brain related to fainting spells.
An international team ofresearchers has published a digital atlas showing how the normative maturation of the fetal brain occurs between 14 – 31 weeks’ gestation, a critical developmental period.
New findings suggest that measuring changes in how pupils react to light could help predict recovery from depression and personalize transcranial magnetic stimulation (TMS) treatment of major depressive disorder.
A new study has found the influence of language on human thinking could be stronger than previously assumed.
Scientists at Imperial College London are leading the development and testing of a new method of stimulating the brain, which could provide an alternative treatment for brain diseases such as Alzheimer’s, and its associated memory loss.
Two different regions of the brain are critical to integrating semantic information while reading, which could shed more light on why people with aphasia have difficulty with semantics, according to new research.
Finally this week, researchers in Canada have examined what type of music helps to dampen pain perception.
Study summary graphic. Credit: Mount Sinai Health System
A team of researchers has created the first “multiome” atlas of brain cell development in the human cerebral cortex across six broad developmental time points from fetal development into adulthood, shedding new light on their roles during brain development and disease.
A new study links rhythmic oscillations in ovarian hormone levels in women during the menstrual cycle to changes in brain structure.
Researchers at Monash University have identified a new way of mapping ‘phosphenes’—the visual perception of the bright flashes we see when no light is entering the eye—to improve the outcome of surgery for patients receiving a cortical visual prosthesis (‘bionic eye’).
A newly published atlas offers the most detailed maps yet of the location, structure, and, in some cases, function of more than 3,000 types of brain cells.
Researchers have analyzed more than a million human brain cells to produce detailed maps of gene switches in brain cell types and revealed the links between specific types of cells and various common neuropsychiatric disorders.
A new study shows that teenagers with OCD experience deficits in decision-making and behavioral control. This is linked to abnormal activity in an area of the brain called the orbitofrontal cortex (OFC).
Severe inflammation in early childhood is a clinically known risk factor for developing autism and schizophrenia. Now, for the first time, scientists have discovered that inflammation alters the development of vulnerable brain cells, and this could have mechanistic links to neurodevelopmental disorders. This finding could lead to treatments for many different childhood-onset neurodevelopmental disorders.
Scientists have discovered widespread differences in metal levels in the brains of patients with Huntington’s disease, a type of dementia, compared to a control group with healthy tissue.
In two parallel projects, researchers have been involved in creating the most comprehensive atlases of human brain cells to date. The two studies provide clues on different brain diseases and give hope for medical advancements in the future, such as new cancer drugs.
In a suite of new studies, a large consortium of researchers shares new knowledge about the cells that make up our brains and the brains of other primates.
The brains of people who reduce their drinking, as well as of people who quit drinking entirely, have greater volume in certain regions than people who drink more heavily, according to a new study of adults treated for alcohol use disorder.
Sleeping patterns and stress hormones could be the key to understanding how and when people with epilepsy are likely to experience seizures, a new study reveals.
New research has found molecular evidence highlighting important sex differences in the brains of people with major depressive disorder, with evidence of changes occurring specifically in the female brain, but not in males.
Finally this week, new research has found that MRI scans can reveal the parts of the brain that are involved in responding to fatty foods.
A new study sheds light on the neural underpinning of subjective odor perceptions.
New research has found that cognitive behavioral therapy (CBT) can significantly reduce the burden of fibromyalgia in part by reducing pain-catastrophizing, a negative cognitive and emotional response that can intensify pain through feelings of helplessness, rumination and intrusive thoughts. This finding is backed by neuroimaging data, evidencing reduced connectivity between regions of the brain associated with self-awareness, pain and emotional processing.
Researchers have discovered how an active form of a gene present in 75% of the human population works to protect the brain against neurodegeneration.
A recent study provides new insight into the relationship between the release of the neurotransmitter dopamine and decision-making processes. The scientists found that when dopamine is released, decisions are made faster, but tend to be more inaccurate.
A new study recently published in JAMA Neurology provides insights into the complex and intricate relationship of contact sports and the risk of dementia.
A team of leading clinicians, engineers, and neuroscientists has made a groundbreaking discovery in the field of treatment-resistant depression. By analyzing the brain activity of patients undergoing deep brain stimulation (DBS), a promising therapy involving implanted electrodes that stimulate the brain, the researchers identified a unique pattern in brain activity that reflects the recovery process in patients with treatment-resistant depression.
Scientists have revealed how the effects of psychosis spread throughout the brain.
Researchers have identified new regions of the brain crucial to the formation of long-term memory, challenging the conventional notion that the hippocampus is central to memory consolidation, by demonstrating that a different set of brain networks play a role.
Finally this week, scientists have revealed the molecular structure of a type of receptor that’s crucial to brain development and function.
Single-trial dynamics in LIP and SC are different. (Neuron, 2023)
A new paper, published in Neuron, highlights the role of the superior colliculus (SC), a structure in the midbrain, in terminating decisions.
Degeneration of dopaminergic neurons is widely accepted as the first event that leads to Parkinson’s, but a new study suggests that a dysfunction in the neuron’s synapses—the tiny gap across which a neuron can send an impulse to another neuron—leads to deficits in dopamine and precedes the neurodegeneration.
Depression, a challenging condition to diagnose early, may now be detected more promptly using a simple 1-minute Electroencephalogram (EEG) test at home.
New research shows how repeated traumatic brain injury contributes to Alzheimer’s disease.
Racial disparities can be seen in dementia severity, functional impairment, and neuropsychiatric symptoms among patients with frontotemporal dementia (FTD), according to a study recently published in JAMA Neurology.
A new study identifies a potential new approach to PTSD treatment.
Any head injury—even a mild one—raises a person’s risk of later having an ischemic stroke. Having multiple injuries increases that risk, even more so than the severity of a single traumatic brain injury, researchers have found.
New research finds that cerebrospinal fluid net flow is markedly decreased in Huntington’s disease, with the decrease being greater in the later stages of the disease.
The targeted use of ultrasound technology can bring about significant changes in brain function that could pave the way towards treatment of conditions such as depression, addiction, or anxiety, a new study suggests.
Finally this week, new research finds that antidepressants may actually reduce negative memories in individuals suffering from depression while improving overall memory function.
A new study reveals that individuals with stronger ‘mindreading’ abilities, or the capacity to understand others’ feelings and intentions, are more successful in cooperative tasks. This trait, also known as ‘theory of mind,’ is not directly tied to intelligence and can potentially be improved through training programs.
Researchers have identified proteomic changes associated with forms of Alzheimer’s disease.
People in their eighties who can recall everyday events and life experiences as well as someone 20 to 30 years younger—known as superagers—are also more likely to have greater movement speed than typical older adults. They also have lower rates of anxiety and depression, according to a new study published in The Lancet Healthy Longevity journal.
A research team has developed a tool that counts brain lesions in seconds.
A new study has found that the frequency and duration of naps in infants are an indication of their cognitive needs. According to the research, infants with smaller vocabularies and poorer cognitive abilities tend to nap more frequently.
Researchers have discovered that myo-inositol, a small cyclic sugar molecule found in breast milk, plays a crucial role in promoting neuronal connectionsin infants’ brains.
Neuroscientists have proposed a fresh perspective on systems consolidation, the process by which certain memories are moved from the hippocampus to the neocortex for long-term storage. Their theory, backed by a mathematical neural network model, posits that the consolidation of memories depends on their generalizability, not age. This theory suggests a new memory, which is a generalization of previous memories, is created during consolidation.
Researchers have utilized artificial intelligence to uncover the promising potential of extra virgin olive oil (EVOO) in combating Alzheimer’s disease (AD).
New research heightened light sensitivity in Alzheimer’s patients to “sundowning,” a worsening of symptoms late in the day, and sleep disruptions that may advance the disease. This fresh understanding of biological clock disruptions in Alzheimer’s could aid the creation of treatments and symptom management. Light therapy could potentially regulate erratic sleep patterns caused by altered circadian rhythms.
Finally this week, scientists have identified a group of nerve cells in the midbrain, which, when stimulated, can suspend all movement, akin to setting a film on pause.
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