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31 Cards in this Set
- Front
- Back
States of feeling (subjective) that can affect behavior - action oriented
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Emotions
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two dimensions of emotion
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Valence and Arousal
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positive valence =
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pleasant
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negative valence =
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unpleasant
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high arousal + positive valence =
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enthusiastic
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high arousal + negative valence =
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angry
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low arousal + positive valence =
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relaxed
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low arousal + negative valence =
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sad
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This part of the brain consists of bilateral almond shaped structures in the media-temporal lobe. Directly anterior to the hippocampus.
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Amygdala
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This part of the brain is critical for both the expression of fear, the experience of fear, and for recognition of fear in others. Represents a really high degree of specialization
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Amygdala
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Absence of the amygdala leads to
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tameness, hypersexuality in animals
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Visual Agnosia
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loss of ability to visualize objects
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Learned fear can occur from two different experiences
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Personal Experience and Modeling
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When rats have a brain lesions they lose the ability to connect the _________ with the ___________ so they ..
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don't know when the shock is coming
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Harry Harlow Experiment - scary robot showed us that
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Evolution has programmed you to be fearful of things we should be
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Rat with bilateral lesions of the amygdala
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lose their innate fear so they come out and get the food
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Fear Potentiated Startle: After Training a light and foot shock happens and the rat has a normal startle. but when just the light comes on the rat
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freezes
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Downer (1961) lesioned the monkey's right _______, disconnected the ___________ by cutting the _______ and other inter hemispheric structures
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amygdala
himispheres corpus callosum |
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In Downer (1961) what happens to the information coming through each eye? What behavior did the monkey display with left eye open? with right eye open?
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Info coming through right eye only goes to right hemi and info in left only goes to the left.
Monkey with left eye open was very aggressive. When left eye closed, they became instantly calm. |
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When the tone sounds in the rat information is sent to the
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Auditory Thalamus
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Hebbs rule
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cells that fire together wire together
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When the shock occurs in the rat the information goes to the
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somatosensory thalamus
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information converges at the ____ from there sends to the _________
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lateral amygdala
central nucleus |
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if you lose the (central grey) periaqueductial grey you lose the
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freezing response
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Lateral Hypothalamus controls
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blood pressure
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Paraventricular Nucleus gives the (hormonal fear response)
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secretion of stress hormones, oxytocin
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"Low Road" (subcortical way)
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Thalamus to the Amygdala
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High Road (cortical processing)
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Thalamus to the Cortex to the Amygdala
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Hippocampus is important for
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encoding of the context
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located in the front of the brain and is activated when sees angry faces on the computer screen
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Orbitofrontal Cortex
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Disgust is located in the
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Anterior Insula
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