hypothalamus

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hypothalamus

·July 27, 2020·4 min read

Brain Cell Types Identified That May Push Males to Fight and Have Sex

Mouse study reveals "on-off switch" nerve cells for male mating and aggression in the amygdala. MPN signaling cells in the amygdala that communicate with the hypothalamus are associated with reproductive behavior, and VMHvL signaling cells play a critical role in aggression. Read More

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·July 22, 2020·5 min read

How Neurons Reshape Inside Body Fat to Boost Its Calorie-Burning Capacity

Normally bushy networks of neural fibers within fat tissue shrink in the absence of leptin, but grow back when the hormone is administered in drug form. The alterations influence the ability to burn energy stored in fat in mouse models. Read More

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Featured Neuroscience

·July 10, 2020·3 min read

Brain Cells that Trigger Sugar Cravings and Consumption Identified

FGF21, a hormone created in the liver in response to increased levels of sugar, acts in the brain to suppress sugar intake and controls the preference for sweet-tasting foods. Read More

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·June 16, 2020·4 min read

How does our brain trigger different sighs?

Researchers have identified a brain circuit that regulates all types of sighing but activates sighs for different reasons using input signals from different parts of the brain. Read More

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·June 12, 2020·3 min read

Hibernation in mice: Are humans next?

Researchers have been able to spark a hibernation-like state in mice by artificially exciting Q neurons. Read More

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·June 10, 2020·3 min read

Will lockdown loneliness make us loners?

Social preference in isolated zebrafish is caused by stress and anxiety, not observed anti-social patterns. Read More

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·June 8, 2020·3 min read

Appetite can be increased by cells in the brain

Glial cells known as tanycytes deliver signals to neurons in the brain to activate appetite. Optogenetic stimulation of tanycytes increases appetite. Read More

This shows the different hippocampal network activity

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·May 27, 2020·3 min read

The neural home where stress lives

Researchers have identified a hippocampal neural network that activates during stress. Activity in a hippocampal-hypothalamus network predicts greater feelings of stress, while connectivity between the hippocampus and dorsolateral prefrontal cortex predicts less stress. Read More

Featured Neuroscience Psychology

·May 2, 2020·3 min read

Neural circuit that drives physical responses to emotional stress discovered

Researchers have identified a brain circuit that drives physical response to emotional stress. The circuit begins in the dorsal peduncular cortex and dorsal tenia tecta, before sending signals to the hypothalamus. The findings could help with the development of treatments for panic disorders and PTSD. Read More

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·April 29, 2020·5 min read

Implant-free optogenetics minimizes brain damage during neuronal stimulation

Researchers genetically engineered neurons to produce a newly developed, light-sensitive protein called SOUL. They then used optogenetic technology to shine a light through the skull and alter neural responses through an entire mouse brain. Read More

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·March 27, 2020·3 min read

The brain and socially motivated behavior

The lateral hypothalamus is an integral component of social brain networks. It shapes socially motivated behaviors via functional coordination with neocortical regions. Read More

This is a drawing of a mouse breastfeeding

Featured Neuroscience

·March 23, 2020·1 min read

Lactation changes how mom’s neurons communicate, but it’s reversible

During lactation, the cell voltage of TIDA neurons in the hypothalamus oscillates more frequently, increasing firing. The change is reversible and returns to normal once the mother stops lactating. Read More

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