Psych-4-26 lecture

Psych-4-26 lecture - Click to edit Master subtitle style...

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Unformatted text preview: Click to edit Master subtitle style 2/21/11 CH APTER What Causes Emotional and Motivated Behavior? 11- 2nd ed, 12- 3rd ed PowerPoints prepared by: Kevin Peters, Trent University, Department of Bryan Kolb & Ian Q. Whishaw 2/21/11 Identifying the Causes of Behavior Emotion Cognitive interpretation of subjective feelings https://implicit.harvard.edu/implicit/ Motivation Behavior that seems purposeful and goal directed 2/21/11 Drives and Behavior Drive: Hypothetical state of arousal that motivates an organism to engage in a particular behavior Drive theories of motivation: Once a behavior is started, it will continue until all the energy in its reservoir is gone There are separate stores of energy for different behaviors Innate Releasing Mechanism (IRM ): Hypothetical mechanism that detects specific sensory stimuli 2/21/11 Neural Circuits and Behavior Researchers have not been able to link drives and brain activity What researchers have found, however, is that behavioral change correlates with changes in hormones and cellular activity Example: A mans frequency of copulation is correlated with his levels of male hormones, called androgens (male hormone related to level of sexual interest) 2/21/11 Evolutionary Influences on Behavior Innate Releasing Mechanism (IRM) The brain must have a set of norms against which it can match stimuli so as to trigger an appropriate response Although IRMs are prewired into the brain, they can be modified with experience 2/21/11 Environmental Influences on Behavior B.F. Skinner (1904-1990) Suggested a strong role of learning in behavior Reinforcer In operant conditioning, any event that strengthens the behavior that it follows Experience shapes behavior by pairing stimuli and rewards Many complex behaviors are learned, and learning takes place in a brain that Kolb & Whishaw, An 2/21/11...
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This note was uploaded on 02/20/2011 for the course MUS 107 taught by Professor Reynolds during the Spring '11 term at CUNY Hunter.

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Psych-4-26 lecture - Click to edit Master subtitle style...

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