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Decades of research have demonstrated that both genetic and environmental factors play a role in a variety of behaviors in humans and animals (e.g. Grigorenko & Sternberg, 2003). The genetic basis of aggression, however, remains poorly understood. Aggression is a multi-dimensional concept, but it can be generally defined as behavior that ...
The start of behaviour genetics as a well-identified field was marked by the publication in 1960 of the book Behavior Genetics by John L. Fuller and William Robert (Bob) Thompson. [ 1 ] [ 10 ] It is widely accepted now that many if not most behaviours in animals and humans are under significant genetic influence, although the extent of genetic ...
This branch of behaviour genetics research is becoming more closely associated with mainstream developmental psychology and the sub-field of developmental psychopathology as it shifts its focus to the heritability of such factors as emotional self-control, attachment, social functioning, aggressiveness, etc.
Brunner syndrome is a rare genetic disorder associated with a mutation in the MAOA gene. It is characterized by lower than average IQ (typically about 85), problematic impulsive behavior (such as pyromania, hypersexuality and violence), sleep disorders and mood swings. [1] [2] It was identified in fourteen males from one family in 1993.
Human behavior is the potential and expressed capacity (mentally, physically, and socially) of human individuals or groups to respond to internal and external stimuli throughout their life. Behavior is driven by genetic and environmental factors that affect an individual.
Aggression is a complex trait that is regulated by many interacting genes and gene expression is highly variable depending on environment (phenotypic plasticity). Mutations in genes that influence aggressive behaviours can potentially increase aggression or passivity.
It is crucial to consider the bio-socio complexity in the expression and management of ODD. Biological factors such as genetics and neurodevelopmental variations interact with social factors like family dynamics, educational practices, and societal norms to influence the manifestation and recognition of ODD symptoms.
Aggression may occur in response to non-social as well as social factors, and can have a close relationship with stress coping style. [19] Aggression may be displayed in order to intimidate. The operative definition of aggression may be affected by moral or political views.