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Tag Archives: brain

Impending Mental Disorders Predicted Via Brain Scans

Depression and bipolar disorder are two mental health diagnoses that carry a strong genetic influence. While scientists do not fully understand the mix between genetic and other factors in the development of the two disorders, research has shown that individuals who have a family member with one of those two disorders has an increased likelihood […]

Older Adults Have Greater Ability to Think Positively, Study Finds

Older adults have a number of psychological and physical problems that can potentially increase their risks for the onset of mental illness. In line with these increased risks, significant numbers of people over the age of 55 develop depression or some form of medically serious anxiety. However, older adults also frequently develop positive attitudes toward […]

Depression and Serotonin: Questioning the Chemical Imbalance Theory

The understanding of depression has changed in remarkable ways over the past century or so. From the “melancholia” of Freud’s time to electroshock “Cuckoo’s Nest” conceptualizations, doctors, writers, and sufferers have struggled to capture the best set of words and images to convey this debilitating illness. Is the “chemical imbalance” theory, and in particular the […]

Vagus Nerve Stimulation for Treatment-Resistant Depression

Vagus nerve stimulation (VNS) is a form of medical treatment that uses electrical stimulation of a nerve in the upper body (the vagus nerve) to alter chemical and electrical activity inside the brain. In order to access this nerve, doctors must surgically implant a stimulating device inside the chest. People with major depression sometimes receive […]

New Theory on the Origin of Depression

Depression is a relatively common form of serious psychiatric illness that produces powerful mood disturbances and leaves affected individuals feeling unusually sad, hopeless, helpless, and, in some cases, suicidal. Current medical consensus says that on a chemical level, the presence of depression is linked at least in part to abnormally low levels of a substance […]