Tags » Optogenetics

Fear, PTSD, and newly found neural circuits in the brain

People with anxiety disorders, such as post traumatic stress disorder (PTSD), often experience prolonged and exaggerated fearfulness. Now, an animal study suggests that this might involve disruption of a gradual shifting of brain circuitry for retrieving fear memories. 529 more words


Just Released: Optogenetics Lighting Up the Brain!

January 8, 2015 | by Darcy Blake | Through the special kindness of the National Parkinson Foundation, I had recently had the opportunity to meet the people at… 179 more words

Parkinson's Disease

MIT researchers use optogenetics to induce REM sleep in mice

From Massachusetts Institute of Technology News:

Using light to produce natural sleep patterns

Researchers use optogenetics to trigger REM sleep in mice.

Helen Knight | MIT News correspondent…

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Neuroscientists use optogenetics to 'read and write' neural signals

While this technique may be considered physically non-invasive, it would be considered psychologically invasive if a similar technique was ever developed for use in humans.   That is the worrisome aspect of some of these otherwise fascinating new techniques. 494 more words


Researchers use optogenetics to record synaptic transmission in mouse brain

Scientists’ gaining the ability to control neurotransmission has rather scary potential for misuse.

From EurekAlerts:

Public Release: 24-Dec-2014 Optogenetics captures neuronal transmission in live mammalian brain…

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