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The field of psychology has been greatly influenced by the study of genetics. [1] 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 ...
Violence and aggression are universal across human societies, and have likely been features of human behavior since prehistory. Archaeologists have found mass graves dating to the late Pleistocene and early Holocene that contain primarily male skeletons showing signs of blunt force trauma, indicating the cause of death was by weapons used in combat.
Aggression can have adaptive benefits or negative effects. Aggressive behavior is an individual or collective social interaction that is a hostile behavior with the intention of inflicting damage or harm. [3] [4] Two broad categories of aggression are commonly distinguished.
The term "psychobiology" has been used in a variety of contexts, emphasizing the importance of biology, which is the discipline that studies organic, neural and cellular modifications in behavior, plasticity in neuroscience, and biological diseases in all aspects, in addition, biology focuses and analyzes behavior and all the subjects it is ...
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.
He lists a variety of aggression categories, each separately subject to natural selection, and states that aggressive behavior is, genetically, one of the most labile of all traits. He maintains that aggression is a technique used to gain control over necessary resources, and serves as a "density-dependent factor" in population control. He ...
When reflecting human emotion and behavior, it is commonly defined as the tendency to react to stimuli with negative affective states (especially anger) and temper outbursts, which can be aggressive. Distressing or impairing irritability is important from a mental health perspective as a common symptom of concern and predictor of clinical outcomes.
Fixed action pattern" is an ethological term describing an instinctive behavioral sequence that is highly stereotyped and species-characteristic. [1] Fixed action patterns are said to be produced by the innate releasing mechanism, a "hard-wired" neural network , in response to a sign/key stimulus or releaser .