psych106-16

psych106-16 - Lecture 16 (Feb 24th ): Emotional Behaviors...

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2) The Limbic System 3) Positively Reinforced Behaviors 4) Connections of the Amygdala and Response Properties 5) The Amygdala & Fear (not Anxiety next lecture) 7) Hormonal Control of Aggression DON’T WORRY ABOUT: Anxiety-Reducing Drugs, Panic Disorder Lecture 16 (Feb 24 th ): Emotional Behaviors Lecture Outline
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10 emotions : distress, anger , disgust, contempt, fear , shame, guilt, interest, happiness , surprise Emotional Behaviors : Aggression (resulting from anger ) Avoidance (resulting from fear ) And…. “Reinforced Behavior” (in order to get happiness ) akin to “Operant Conditioning” (a type of Associative Learning ) (more about this topic next week)
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Hypothalamus LIMBIC SYSTEM Papez (1937) Frontal Cortex Control of Limbic Activity Phineas Gage (1848) Cats with cortex removed (Philip Bard 1929, 1934)
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Subsystems of the Limbic System 1) Septum, Cingulate Gyrus, Nucleus Accumbens: 3) Hypothalamus and Anterior Thalamus: Amygdala Hypothalamus activate sympathetic nervous system (“fght or Fight”, 1 st third o± class, and more next lecture ) 2) Amygdala: aggression, attacking, sel±-de±ense behaviors - addictions, not always something you LIKE (not going over addictions today) - rein±orced behaviors
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…what results from a positively reinforced behavior Reinforcer: INCREASES likelihood of behavior A hungry rat will be made “happy” by eating food. …because the reinforcer makes you HAPPY Or……. . In a Skinner box, the rat presses a lever to get food.
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psych106-16 - Lecture 16 (Feb 24th ): Emotional Behaviors...

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