autonomic nervous system

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autonomic nervous system

·April 20, 2022·4 min read

When Severe Infection Causes Long-Term Mood Disorders

The activation of a neural circuit comprising of the central nucleus of the amygdala and the bed nucleus of the stria terminalis in the first hours following sepsis infection induced anxiety behaviors in mice two weeks after the infection cleared. The behaviors mimicked the PTSD symptoms patients experience following sepsis infection.

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·August 1, 2019·4 min read

Autonomic nervous system appears to function well regardless of mode of childbirth

The autonomic nervous system and cortical systems function similarly in low-risk newborns whether they experienced labor and natural birth or were born via elective cesarean section. However, those who were delivered via C-Section following long periods of labor had increased accelerations in heart rate and lower gamma frequency EEG a day after birth than the other two groups.

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·September 3, 2019·4 min read

Parkinson’s disease may originate in the intestines

Two months after injecting alpha-synuclein into the intestines of rats, researchers discovered the proteins had traveled to the brain via peripheral nerves. Four months later, the pathology was greater. Additionally, the protein had traveled to the heart. The study supports the hypothesis that Parkinson's disease may begin in the intestinal system before migrating to the brain.

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·February 27, 2016·2 min read

Reaction to Stress More Important Than Its Frequency

A new study reports the way you deal with stress is more detrimental to health than the frequency stress is experienced.

This is an immunohistochemistry image showing alpha-synuclein positive staining.

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·October 7, 2013·3 min read

Study Identifies Possible Biomarker for Parkinson’s Disease

Researchers report of elevated alpha-synuclein levels detected on the skin of patients with Parkinson's disease. The findings could offer a new biomarker for the recognition of Parkinson's before the disease reaches advanced stage.

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·February 21, 2021·6 min read

Gulf War Illness Not Caused by Depleted Uranium From Munitions

New findings dispute the long-standing belief that exposure to depleted uranium is the cause of Gulf War Syndrome in veterans.

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·June 20, 2018·5 min read

Can Psychological Stress Cause Vision Loss?

Researchers report persistent psychological stress can contribute to the development and progression of vision loss.

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·July 17, 2020·3 min read

How Traumatic Experiences Can Leave Their Mark on a Person’s Eyes

Pupillary response in those with PTSD differs from people who have not experienced traumatic events. The pupils of those with PTSD failed to show sharp constriction caused by light changes, and more enlargement when exposed to emotional stimuli that other participants. Patients with PTSD not only showed an exaggerated response to threatening stimuli but also to stimuli that depicted positive images.

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·October 26, 2016·4 min read

Higher Resting Heart Rate and Blood pressure Linked to Later Psychiatric Illness

A new study links higher resting blood pressure in younger men with later onset of OCD, schizophrenia and substance abuse problems.

This shows a man wearing the tvns ear piece

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·July 30, 2019·5 min read

‘Tickle’ therapy could help slow aging

Transcutaneous vagus nerve stimulation helps improve sleep patterns and mental health in aging people. The therapy works by increasing parasympathetic activity and decreasing sympathetic activity.

This shows a drawing of a heart and lines representing the heart beat.

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·September 13, 2015·4 min read

Reduced Heart Rate Variability May Be a Contributing Risk Factor for PTSD

According to a new study, U.S Marines with reduced heart rate variability prior to deployment displayed increased vulnerability to PTSD upon return.

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·June 19, 2019·4 min read

How arousal impacts physiological synchrony in relationships

Different social context causes different levels of physiological arousal. However, in every condition, the autonomic nervous system went into synch between strangers, whether in low or high states of arousal.

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