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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.
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.
Biological psychopathology attempts to explain psychiatric disorders using multiple levels of analysis from the genome to brain functioning to behavior. Although closely related to clinical psychology, it is fundamentally an interdisciplinary approach that attempts to synthesize methods across fields such as neuroscience , psychopharmacology ...
Furthermore, in all animals, the nervous system is the organ of behavior. Therefore, every biological and behavioral variable that influences behavior must go through the nervous system to do so. Present-day research in behavioral neuroscience studies all biological variables which act through the nervous system and relate to behavior. [10]
The biological basis of personality is a collection of brain systems and mechanisms that underlie human personality. Human neurobiology , especially as it relates to complex traits and behaviors, is not well understood, but research into the neuroanatomical and functional underpinnings of personality are an active field of research.
Historically, there have been three main approaches to abnormal behavior: the supernatural, biological, and psychological traditions. [2]: 7 Abnormal psychology revolves around two major paradigms for explaining mental disorders, the psychological paradigm and the biological paradigm. The psychological paradigm focuses more on the humanistic ...
Physiological psychology is a subdivision of behavioral neuroscience (biological psychology) that studies the neural mechanisms of perception and behavior through direct manipulation of the brains of nonhuman animal subjects in controlled experiments.
Biological naturalism is a theory about, among other things, the relationship between consciousness and body (i.e. brain), and hence an approach to the mind–body problem.