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The hunter versus farmer hypothesis is a proposed explanation for the nature of attention-deficit hyperactivity disorder (ADHD). It was first suggested by radio host Thom Hartmann in his book Attention Deficit Disorder: A Different Perception. The hypothesis notes that humans spent most of their evolutionary history in hunter-gatherer societies ...
Frequency. 0.8–1.5% (2019, using DSM-IV-TR and ICD-10) [ 2 ] Attention deficit hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterised by executive dysfunction occasioning symptoms of inattention, hyperactivity, impulsivity and emotional dysregulation that are excessive and pervasive, impairing in multiple contexts, and ...
Large, high quality research has found small differences in the brain between ADHD and non-ADHD patients. [1] [15] Jonathan Leo and David Cohen, critics who reject the characterization of ADHD as a disorder, contended in 2003 and 2004 that the controls for stimulant medication usage were inadequate in some lobar volumetric studies, which makes it impossible to determine whether ADHD itself or ...
The biopsychological theory of personality is a model of the general biological processes relevant for human psychology, behavior, and personality. The model, proposed by research psychologist Jeffrey Alan Gray in 1970, is well-supported by subsequent research and has general acceptance among professionals. [ 1 ]
Rosmarin offered the following tips for making the most of anxiety. Instead of trying to avoid anxiety, the key is to face or even embrace it, he said. "We can criticize ourselves for feeling ...
MeSH. D015928. [edit on Wikidata] Cognitive behavioral therapy (CBT) is a form of psychotherapy [1][2] that aims to reduce symptoms of various mental health conditions, primarily depression, PTSD and anxiety disorders. [3] Cognitive behavioral therapy focuses on challenging and changing cognitive distortions (such as thoughts, beliefs, and ...
Diathesis–stress model. The diathesis-stress model, also known as the vulnerability–stress model, is a psychological theory that attempts to explain a disorder, or its trajectory, as the result of an interaction between a predispositional vulnerability, the diathesis, and stress caused by life experiences. The term diathesis derives from ...
Rational emotive behavior therapy was created and developed by the American psychotherapist and psychologist Albert Ellis, who was inspired by many of the teachings of Asian, Greek, Roman and modern philosophers. [3][4] REBT is a form of cognitive behavioral therapy (CBT) and was first expounded by Ellis in the mid-1950s; development continued ...