Term
What are the four primary motivations? |
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Definition
1. Feeding 2. Flight/fight 3. Fahrenheit (temperature regulation) 4. Fornication |
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Term
Define "secondary motivation" |
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Definition
Behaviors or motivations that are derived from primary motivations, such as what to eat or drink, what clothes to put on, etc. Moods you are in, your habits or preferences, skills you have can all affect secondary motivations. |
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Term
What are the two components to emotion |
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Definition
a. The inner emotion itself, such as fear, love, joy, anger; this is the conscious experience of emotions.
b. The outer expression or motor component of the emotion; this is emotional behavior. |
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Term
What area in the brain controls and regulates motivations and emotions |
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Definition
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Term
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Definition
Cingulate cortex → hippocampus → mammilary body → anterior nucleus of thalamus → back to cingulate cortex |
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Term
What is thought to be the role of the hippocampus? |
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Definition
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Term
What is Kluver-Bucy syndrome? |
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Definition
Large bilateral destruction of the temporal lobe, including the hippocampus, amygdala, and temporal cortex |
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Term
What phenomena does Kluver-Bucy sundrome cause? |
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Definition
1. Visual agnosia 2. Increased oral tendencies 3. Increased motor seeking behavior 4. Increased vocal activity 5. Hypersexuality 6. Loss of fear response |
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Term
What is the function of the amygdala? |
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Definition
Thought to be fear, rage, aggression, and emotional significance to events
Fear/ higher reward conditioning |
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Term
What cortical areas are responsible for experiencing emotions? |
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Definition
Orbital and medial prefrontal cortex, and anterior cingulate cortex |
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Term
What is a primary function of the hypothalamus? |
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Definition
Emotional expression (e.g., the autonomic responses to emotions)
The hypothalamus has connections to both autonomic and somatic cell groups that mediate motor responses (such as laughing and crying) to emotional stimuli. |
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Term
Define the ventral striatum |
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Definition
This portion of the basal ganglia helps select the appropriate behavior for a situation
(analogous to the motor function of the basal ganglia in which appropriate motor programs are selected. |
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Term
Define the mediodorsal thalamic nucleus |
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Definition
The thalamic relay nucleus associated with the limbic system |
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Term
Describe the James-Lange theory of emotions |
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Definition
Physical changes from external stimuli are the emotion.
“We feel sorry because we cry, angry because we strike, afraid because we tremble.” |
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Term
Describe the Cannon-Bard theory of emotions |
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Definition
One set of physiological changes is not associated with just one set of emotions.
Sensory input divides to go to the sensorimotor cortex and to the limbic system. In effect, the experience of emotion and the physiological reactions occur simultaneously. |
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Term
Can sensory input effect emotional state? |
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Definition
Yes
-Spinal cord damage can reduce emotional intensity -Smiling makes you happier :) |
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Term
What are the four major reward areas/ pleasure centers associated with primary motivations? |
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Definition
Dorsal pons, ventral tegmental area, lateral hypothalamus, and septal area. |
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Term
What neurotransmitter is associated with the reward/pleasure centers? |
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Definition
Dopamine
-why most addictive psychoactive drugs enhance dopamine |
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Term
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Definition
A railroad foreman who had a metal rod pierce his skull and left frontal cortex, changing his personality to be more restless, loud, profane, and impulsive |
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Term
How do many drugs treat depression? |
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Definition
Drugs used to treat depression block reuptake of norepinephrine, dopamine, and/or serotonin in the limbic system |
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Term
What may cause schizophrenia? |
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Definition
Possibly overactive dopamine pathways |
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Term
What is a common side effect of schizophrenia medication, and why? |
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Definition
Muscle tics- because dopamine antagonists lead to extrapyramidal effects |
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