Chapter 5 text book notes

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23 Jun 2011

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Chapter 5 - bodily changes and emotion
Autonomic nervous system
James - counterintuitive analysis points to five questions
ois there motion-specific activation in the ANS
odo bodily changes of heart rate, breathing and the like support specific kinds of action such as fight or flight
oto what extent is the experience of emotion based on activation of ANS
odo bodily changes produce the experience of emotion
ois the body really the primary organ of emotional experience
autonomic nervous system - detects bodily reverberation; maintain internal condition of body; enable adaptive response to
varying external environmental events; James - production of emotions (perceptions of bodily change); controls digestion,
body fluids, blood flow, and temperature - pg. 119
oparasympathetic - restorative processes, reducing heart rate and blood pressure; increasing digestive processes; tends
toward quieting and recuperation; originates in vagus nerve and sacral region
osympathetic - increases heart rate, blood pressure, and cardiac output; shuts down digestive processes to help individual
engage in physically demanding actions; tends toward arousal and preparation for fight or flight; involves neural
pathways that originate at several sites of the spinal cord; thermoregulation, goose-bumps, energy by glycogenolysis,
immune responses
fight or flight responses - stress can cause sympathetic system to produce poor health outcomes
omeasure activity - heart rate, sweat response, vasoconstriction in arteries and veins, blood flow, finger and facial
support for Jamess claims on autonomic specificity and emotion -
oautonomic pathways activating different regions of body, different emotions could potentially be involved with distinct
ocombination of autonomic system components, account for diversity of emotional experience
Cannon - bodily changes are produced by the brain and that they are similar during different emotions; these emotions
involve exactly the same general activation of the sympathetic nervous system
oarousal response - release of the hormone adrenaline; shift of bodily resources to prepare for action (fight, flight, and
oresponses of ANS too diffuse and non-specific to account for distinct varieties of emotional experience
oautonomic responses are too slow to account for rapidity with emotional experience or move from one emotion to
omain actions of ANS occur in other states (fever, cold exposure, asphyxia); love and fever have same autonomic
osensitivity to change in the ANS is capable of resulting in many emotional states
Two-factor theory of emotion
two-factor theory - Schachter and Singer - shift emphasis from bodily responses to how people construe emotional situations
as the source of different emotional experience; undifferentiated physiological arousal; experiment not replicated in full
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