Researchers tickle rats to identify part of the brain critical for laughter and playfulness
To study play behaviors in animals, scientists must be able to authentically simulate play-conducive environments in the laboratory.
Jul 28, 2023
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Nervous System: News and Research on Tegmentum Mesencephali
MeSH tree: A08.186.211.132.659.413.875
New technology enables wireless modulation of gut and brain neural circuits
The brain and the digestive tract are in constant communication, relaying signals that help to control feeding and other behaviors. This extensive communication network also influences our mental state and has been implicated ...
Jun 22, 2023
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A neuronal network that represents the direction in which zebrafish are traveling
Past studies have found that the brains of some animals generate representations of the direction in which they are headed. For instance, the heading direction of insects is represented by the activity of neurons in a region ...
New neurological target to help people walk again after a spinal cord injury
People who have lost control of their legs following a spinal cord injury may walk again someday. A research team affiliated with Université Laval and the CHU de Québec-Université Laval Research Center has pinpointed a new ...
Apr 19, 2023
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Nerve pathway discovered: Good and bad feelings for brain stem serotonin
New insights into the opposing actions of serotonin-producing nerve fibers in mice could lead to drugs for treating addiction and major depression.
Dec 28, 2022
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Different serotonergic pathways to the amygdala could underpin distinct anxious behavioral patterns
Anxiety disorders are widespread mental health conditions that affect approximately one in five people. They are characterized by varying degrees of nervousness, apprehension and fear, typically associated with catastrophic ...
Different anxiety-related behaviors are mediated by different neural circuits and molecular mechanisms
Anxiety is a common negative emotion and it is also one of the buzzwords in today's society. When we suffer from anxiety, what changes will occur in our brains? The research team led by Prof. Li Xiaoming at the Zhejiang University ...
Dec 7, 2022
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Mouse study finds that fearlessness can be learned
The neurotransmitter serotonin plays a key role in both the onset and in the unlearning of fear and anxiety. A research team from the Department of General Zoology and Neurobiology headed by Dr. Katharina Spoida and Dr. Sandra ...
Dec 5, 2022
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Researchers identify key brain cells in mice underlying stress-related behaviors
More than 70% of adults will experience at least one traumatic experience, such as a life-threatening illness or accident, violent assault or natural disaster, in their lifetimes and nearly a third will experience four or ...
Dec 1, 2022
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How the nucleus accumbens mediates positive and negative motivational valence
Reward-seeking and threat avoidance are critical for survival. Pursuing enjoyable things triggers the release of dopamine in the brain, making people feel pleasure. In contrast, people subconsciously avoid unpleasant feelings ...
Nov 14, 2022
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