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Biology of depression. Scientific studies have found that different brain areas show altered activity in humans with major depressive disorder (MDD), [ 1 ] and this has encouraged advocates of various theories that seek to identify a biochemical origin of the disease, as opposed to theories that emphasize psychological or situational causes.
Cortical spreading depression (CSD) or spreading depolarization (SD) is a wave of electrophysiological hyperactivity followed by a wave of inhibition. [1] Spreading depolarization describes a phenomenon characterized by the appearance of depolarization waves of the neurons and neuroglia [ 2 ] that propagates across the cortex at a velocity of 1 ...
Psychiatry, Behavioral sciences, Neurology, Radiology. Helen S. Mayberg (born 1956 in California), is an American neurologist. Mayberg is known in particular for her work delineating abnormal brain function in patients with major depression using functional neuroimaging. [1][2] This work led to the first pilot study of deep brain stimulation ...
Editor’s note: Season 8 of the podcast Chasing Life with Dr. Sanjay Gupta gets back to basics with an in-depth examination of the brain in different states. Each episode will focus on one of ...
A new study of nearly 2,000 former NFL players found that one in three of those surveyed believe they have the degenerative brain disease CTE, which has affected hundreds of professional football ...
It was proposed by Aaron Beck in 1967. [3] The triad forms part of his cognitive theory of depression [4] and the concept is used as part of CBT, particularly in Beck's "Treatment of Negative Automatic Thoughts" (TNAT) approach. The triad involves "automatic, spontaneous and seemingly uncontrollable negative thoughts" [5] about: The self.
Emotions. v. t. e. Depression is a mental state of low mood and aversion to activity. [3] It affects about 3.5% of the global population, or about 280 million people of all ages (as of 2020). [4] Depression affects a person's thoughts, behavior, feelings, and sense of well-being. [5]
imagining or wishing harm upon someone close to oneself. impulses to violently attack, hit, harm or kill a person, small child, or animal. impulses to shout at or abuse someone, or attack and violently punish someone, or say something rude, inappropriate, nasty, or violent to someone.