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Aggression can manifest in different ways between biological males and females. A study evaluated these differences by using EEG and ECG to monitor neurobiological responses to aggravating stimuli. It was shown that anger and physical aggression was much greater in men than women. Men also scored higher on a scale regarding reactive aggression.
Palavicino-Maggio's work explores the function and cellular localization of proteins in Drosophila melanogaster, fruit flies, that correlate to hyper-aggressive phenotypes. [9] By understanding the neural substrates for aggression in model organisms, Palavicino-Maggio's research sets the stage for a better understanding of how these genes drive ...
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.
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.
This system is the primary mechanism in control of the fight-or-flight response and its role is mediated by two different components: the sympathetic nervous system and the parasympathetic nervous system. [12] Comparison of Sympathetic and Parasympathetic nervous systems
fMRI data showed similar activations in brain regions during both rumination and savoring, suggesting shared neural mechanisms between the two types of repetitive thinking. The results of the study suggest there are similarities, both subjectively and mechanistically, with repetitive thinking about positive and negative emotions.
By studying and gaining knowledge about the mechanisms of the nervous system, physiological psychologists can uncover many truths about human behavior. [2] [page needed] Unlike other subdivisions within biological psychology, the main focus of psychological research is the development of theories that describe brain-behavior relationships.
Lin's lab explores the neural circuit mechanisms driving innate social behaviors in mice, with a specific focus on aggression and defensive behavior. [8] Lin's seminal work discovering the role of the ventrolateral part of the ventromedial hypothalamus (VMHvl) in driving aggressive behavior lays the foundation for most of her lab's research ...