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Nano Superballs Offer Refined Control Of Optogenetics

New nanoparticles and nanoclusters dubbed “superballs” offer more control to optogenetics. Optogenetics is a technique that uses light to control cells within living tissue. The biological technique controls cells in tissues genetically modified for light sensitivity. Drawbacks are that the light can activate several genes at once and that it must penetrate deeply to be […]

A Direct Link From The Brain’s Emotion Areas To The Motor Cortex

In high stress situations like making a goal in soccer, some athletes go through a quick slump in performance under pressure, known as “choking.” Now, Salk Institute researchers have uncovered what might be behind the phenomenon – one-way signals from the brain’s emotion circuit to the movement circuit. The research[1] could lead to new strategies […]

How Extraneous Neural Background Noise Interrupts Focused Attention

Scientists have long theorized that attention to a particular object can alter perception by amplifying certain neuronal activity and suppressing the activity of other neurons (brain “noise”). Now, researchers from the Salk Institute have confirmed this theory by showing how too much background noise from neurons can interrupt focused attention and cause the brain to […]

VLPO Galanin Neurons Essential To Sleep Induction

A set of galanin producing nerve cells, located in a region of the hypothalamus called the ventrolateral preoptic nucleus (VLPO), are essential to normal sleep, research from Beth Israel Deaconess Medical Center has found. The study build on work from two decades ago, when Clifford B. Saper, MD/Ph.D., Chairman of the Department of Neurology at […]