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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 .
Attention deficit hyperactivity disorder (ADHD) [1] is a neurodevelopmental disorder characterized by symptoms of inattention, hyperactivity, impulsivity and emotional dysregulation that are excessive and pervasive, impairing in multiple contexts, and developmentally-inappropriate. [9] ADHD symptoms arise from executive dysfunction. [18]
The low arousal theory is a psychological theory explaining that people with attention deficit hyperactivity disorder (ADHD) and antisocial personality disorder [1] [page needed] seek self-stimulation by excessive activity in order to transcend their state of abnormally low arousal.
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 developmentally-inappropriate.
The biological model of abnormality (the only model not based on psychological principles) is based on the assumptions that if the brain, neuroanatomy and related biochemicals are all physical entities and work together to mediate psychological processes, then treating any mental abnormality must be physical/biological.
The use of stimulant medication for treatment of attention-deficit hyperactivity disorder (ADHD) is well-researched and considered one of the most effective treatments in psychiatry. [89] A 2015 study examined the long-term effects of stimulant medication for ADHD, and reported that stimulants are a highly effective treatment for ADHD in the ...
Attention deficit hyperactivity disorder predominantly inattentive (ADHD-PI or ADHD-I), [3] is one of the three presentations of attention deficit hyperactivity disorder (ADHD). [4] In 1987–1994, there were no subtypes or presentations and thus it was not distinguished from hyperactive ADHD in the Diagnostic and Statistical Manual (DSM-III-R).
Biological psychiatry or biopsychiatry is an approach to psychiatry that aims to understand mental disorder in terms of the biological function of the nervous system.It is interdisciplinary in its approach and draws on sciences such as neuroscience, psychopharmacology, biochemistry, genetics, epigenetics and physiology to investigate the biological bases of behavior and psychopathology.