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optogenetics

Featured Neuroscience Open Neuroscience Articles Psychology

·September 13, 2019·4 min read

How emotion affects action

Researchers have identified a comprehensive circuit mechanism that governs how emotional states can influence movement through connections in the basal ganglia. The mechanism represents a way in which emotional states relate to changes in action control in depression, anxiety, and OCD.

Featured Neuroscience

·August 12, 2019·3 min read

Negative memory storage affects depression symptoms

Enhanced reactivation of negative memory engrams may be an important cellular mechanism behind the cognitive symptoms of depression.

This shows how ultrasound frequency affects different mammals

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·August 11, 2019·6 min read

The new field of sonogenetics uses sound waves to control the behavior of brain cells

A new technology known as sonogenetics can control neural activity by using sound frequencies. The technology could be used to non-invasively treat a range of neurological conditions, including Parkinson's disease and epilepsy.

Featured Neuroscience

·August 5, 2019·4 min read

Scientists can now manipulate brain cells using smartphone

A soft neural implant that can be controlled by a smartphone is capable of drug delivery and optogenetics. The technology could speed up efforts to uncover the causes of neurological and psychological disorders.

Featured Neuroscience

·July 22, 2019·2 min read

Hypothalamus pathway drives defense behaviors

A newly discovered pathway that links the hypothalamus and midbrain drives innate defense behaviors. The findings could have implications for developing therapies for anxiety disorders.

Featured Neuroscience Visual Neuroscience

·July 18, 2019·5 min read

Stimulating neurons to induce particular perceptions in mice’s minds

Using optogenetics, researchers stimulated neurons in the visual cortex of mice to induce illusory images in the animals' minds.

Featured Neuroscience Visual Neuroscience

·July 5, 2019·5 min read

Researchers controlled the behavior in a mouse’s brain with single-cell precision

Using holographic optogenetics, researchers were able to control visual behavior in mice by activating neurons in the visual cortex.

Featured Neurology Neuroscience

·June 24, 2019·5 min read

Settling the debate on serotonin’s role in sleep

Serotonin produced by the raphe is critical for sleep in both mice and zebrafish. The firing of neurons in the raphe and the release of serotonin may help the brain build up better sleep pressure. The results may explain why some sleep-related side effects of antidepressants increase serotonin in the brain.

Featured Neuroscience

·June 13, 2019·4 min read

Researchers identify hidden brain signals behind working memory

Artificially prolonging hippocampal sharp wave ripples improves working memory.

Featured Neuroscience Open Neuroscience Articles Psychology

·May 23, 2019·6 min read

Proof it’s possible to enhance or suppress memories

Using optogenetics to stimulate different areas of the hippocampus has the ability to enhance or suppress memories in mice. The findings could have implications for suppressing memories associated with traumatic events in PTSD, and also in enhancing cognitive ability or improving memory for those with neurodegenerative diseases, in the future.

Featured Neurology Neuroscience Pain

·May 16, 2019·2 min read

The insular cortex processes, and drives learning from pain

Using optogenetics to 'switch off' the insular cortex in mice experiencing a painful event resulted in a less fearful reaction to pain. The ability of the mice to learn avoidance from the pain event was also reduced.

This shows the network from the gustatory thalamus to the cortex in mice

Featured Neuroscience Open Neuroscience Articles

·May 7, 2019·3 min read

Neurons that encode sweetness identified: Mouse study

SatB2PBN-expressing neurons in the parabrachial nucleus play a key role in processing and encoding sweet tastes. The SatB2PBN neurons relay sweet taste signals from the gustatory thalamus to the cortex in mouse models.

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optogenetics

How emotion affects action

Negative memory storage affects depression symptoms

The new field of sonogenetics uses sound waves to control the behavior of brain cells

Scientists can now manipulate brain cells using smartphone

Hypothalamus pathway drives defense behaviors

Stimulating neurons to induce particular perceptions in mice’s minds

Researchers controlled the behavior in a mouse’s brain with single-cell precision

Settling the debate on serotonin’s role in sleep

Researchers identify hidden brain signals behind working memory

Proof it’s possible to enhance or suppress memories

The insular cortex processes, and drives learning from pain

Neurons that encode sweetness identified: Mouse study

Blurry Beginnings Shape Brain’s Visual Pathways

Human Brains Keep Making Memory Neurons in Adulthood

Gene Therapy Restores Hearing in Those with Deafness

Forever Chemicals May Disrupt Brain Development

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