PSY100H1 Chapter : Ch 8.docx

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PSY100H1 Full Course Notes
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PSY100H1 Full Course Notes
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Some say babies negative expressions show only undifferentiated distress, where others such as. Izard argue that expressions of fear, anger, and sad can be seen early. A more exacting criterion is that discrete emotions should only be inferred if a specific facial expression is made in the context of an appropriate elicitor. In the string pulling experiment, 2 month olds showed more anger when their pulling no longer turned the music on-frustration. 3 kinds of frustration: extinction-loss of the stimulation, partial reinforcement-reduction in contingent stimulation, noncontingency -loss of stimulus control. In all conditions, 4-5 month olds increased their arm movements and showed anger not sad-coded by max. Experiment tested relation btw emotional expression to specific elicitor for 10-12 month old. In another study, surprising even was greeted by bodily stilling-unable to find surprised reactions in 5-14 months. Distinct emotions may not be recognizable early in life-eating sour candy shows sadness in child.

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