PSYC 215 Chapter Notes - Chapter 13: Monoamine Oxidase A

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Published on 14 Apr 2013
School
McGill University
Department
Psychology
Course
PSYC 215
Professor
Chapter 13
Explanations for why aggression occurs vary according to whether it is hostile or
instrumental.
1. Hostile Aggression: behavior intended to harm another, either physically or
psychologically, and motivated by feelings of anger and hostility.
Ex. Genocide in Rwanda: Hutus seeking revenge on Tutsis out of anger about past
hostilities.
2. Instrumental Aggression: behavior intended to harm another in the service of motives
other than pure hostility (ex. To attract attention, to acquire wealth, or to advance
political and ideological causes).
Ex. Genocide in Rwanda was committed in the pursuit of political purposes: the
Hutus were seeking to displace the more powerful Tutsis.
-many acts of aggression involve a mix of hostile and instrumental motives. Ex. A football
player who intentionally harms another might do so out of aggressive emotion (hostile
aggression) or for a variety of instrumental reasons. To foster a reputation for fearlessness, to
help his team win, or to make the kind of plays that secure a place on the team.
Situational Determinants of Aggression
-Certain circumstances and situations release peoples aggressive tendencies. Situational
factors that give rise to violence.
Nature or Nurture? Its Both
-Testosterone tends to be associated with higher levels of aggression
-short and long form of the MAOA(enzyme that metabolizes certain neurontransmitters in the
synapses between neurons in the brain) and situational factor of mistreatment by their parents
as children.
-short form of the MAOA gene and a family environment of physical abuse is the catalyst of
aggressive behavior.
-nature requires nurture to shape behavior
Heat
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Document Summary

Explanations for why aggression occurs vary according to whether it is hostile or instrumental: hostile aggression: behavior intended to harm another, either physically or psychologically, and motivated by feelings of anger and hostility. Genocide in rwanda: hutus seeking revenge on tutsis out of anger about past hostilities: instrumental aggression: behavior intended to harm another in the service of motives other than pure hostility (ex. To attract attention, to acquire wealth, or to advance political and ideological causes). Genocide in rwanda was committed in the pursuit of political purposes: the. Hutus were seeking to displace the more powerful tutsis. Many acts of aggression involve a mix of hostile and instrumental motives. A football player who intentionally harms another might do so out of aggressive emotion (hostile aggression) or for a variety of instrumental reasons. To foster a reputation for fearlessness, to help his team win, or to make the kind of plays that secure a place on the team.

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