Weekly Neuroscience Update

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In a collaboration between Swedish and Italian researchers, the aim was to analyse how the brain interprets information from a virtual experience of touch, created by a finger prosthesis with artificial sensation. The result was – completely unexpectedly – a new method for measuring brain health.

Stroke patients who learned to use their minds to open and close a device fitted over their paralyzed hands gained some control over their hands, according to a new study.

As children age into adolescence and on into young adulthood, they show dramatic improvements in their ability to control impulses, stay organized, and make decisions. Those ‘executive functions’ of the brain are key factors in determining outcomes, including educational success, drug use, and psychiatric illness. Now, researchers have mapped the changes in the network organization of the brain that underlie those improvements in executive function.

Despite numerous claims, researchers discover transcranial direct current stimulation likely adds no meaningful benefit to cognitive training.

Neuropsychiatric symptoms, specifically sleep behavior and irritability, are linked to metabolic dysfunction on specialized positron emission tomography (PET) imaging and may be an early noncognitive symptom of Alzheimer’s dementia, according to results published in Neurology.

Individual neurons can learn not only single responses to a particular signal, but also a series of reactions at precisely timed intervals.

Researchers from the Radboud University in the Netherlands have observed the human brain’s ability to visually “predict” future events. By scanning the brains of students during an experiment, they saw this predictive imaging in action.

Vicsoelasticity in the hippocampus is associated with better performance on both memory and fitness tests, a new study reports.

The visual cortex, the human brain’s vision-processing centre that was previously thought to mature and stabilize in the first few years of life, actually continues to develop until sometime in the late 30s or early 40s, neuroscientists have found.

New Finnish research reveals how brain’s opioids modulate responses towards other people’s pain.

Finally this week, researches report memory isn’t a single entity and memory formation can be enhanced by different brain states.

 

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