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chronic stress

·January 24, 2023·6 min read

When Chronic Stress Activates These Neurons, Behavioral Problems Like Loss of Pleasure and Depression Result

Anhedonia and depression arise when POMC neurons in the arcuate nucleus of the hypothalamus become hyperactive as a result of chronic stress. Reducing the activity also reduces feelings of depression and loss of pleasure.

Featured Neuroscience Open Neuroscience Articles Psychology

·November 7, 2022·4 min read

Repeated Psychological Stress Is Linked With Irritable Bowel Syndrome-Like Symptoms

Chronic stress invokes irritable bowel syndrome-like symptoms in mouse models.

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·October 10, 2022·3 min read

91% Of Parents Say Their Family Is Less Stressed When They Eat Together

91% of parents say their family is less stressed when they eat together, and 64% of adults report they wish they could share a meal together with their families more often. Researchers say connecting with others, stress reduction, and taking time to slow down are the biggest benefits of a shared family meal time.

Featured Neuroscience Psychology

·July 9, 2022·4 min read

It’s Easier to Forgive When You Are Under Chronic Stress

People who experience chronic stress are more forgiving toward others than those who experience everyday stresses.

This shows a drawing of a mouse and a diagram of the claustrum activation

Featured Neuroscience Open Neuroscience Articles Psychology

·March 18, 2022·3 min read

Switching off Specific Brain Cells Protects Against Stress

Using chemogenetic technology to deactivate a small group of neurons in the claustrum made mice more resilient against chronic stress and reduced anxiety behaviors.

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·June 27, 2021·2 min read

Insights on the Link Between Chronic Stress and Alzheimer’s Disease

Chronic stress which involves the HPA axis may contribute to the development of Alzheimer's disease, researchers report.

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·March 14, 2020·5 min read

How chronic stress changes the brain, and what you can do to reverse the damage

Chronic stress can affect a person's health and mental well being. Due to the COVID-19 virus, chronic stress is on the rise worldwide. Researchers examine the general and psychological health implications of chronic stress and suggest some methods we can adopt to keep our stress levels in check.

Featured Neuroscience Psychology

·December 2, 2019·3 min read

Why stress doesn’t always cause depression

Rats susceptible to anhedonia have more serotonin neurons in the ventral dorsal raphe nucleus. However, activating neurons in the central amygdala reduced the serotonin signaling and lowered the effects of social stress.

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·November 4, 2019·4 min read

Stressed to the max? Deep sleep can rewire the anxious brain

Deep sleep restores the medial prefrontal cortex mechanisms that restore emotion. This lowers emotional and physiological reactivity, preventing the escalation of stress and anxiety.

Featured Neuroscience Psychology

·October 21, 2019·4 min read

How stress and mother’s abuse affects infant brain

Early life stress alone impairs hippocampal development. Stress, in addition to maternal mistreatment within the first few weeks of life, also hinders amygdala development.

Featured Neuroscience Psychology

·October 21, 2019·3 min read

Pregnancy stress triggers immune response that may contribute to postpartum depression

Chronic stress during pregnancy increases neuroinflammation. The immune changes may create circumstances in the brain, which increase susceptibility to postnatal depression.

Featured Neuroscience Psychology

·September 5, 2019·4 min read

Brain circuit connects feeding and mood in response to stress

A new study identifies a novel neural network regulating feeding and mood in response to chronic stress. Inhibiting the POMC to ventral tegmental area circuit increases body weight and food intake while reducing depressive symptoms in mouse models.