Term
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Definition
Helps preserve homeostatsis.
e.g. hunger |
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Term
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Definition
Serves some other purpose besides preserving homeostasis.
e.g. sex |
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Term
| Classification of Mammalian drives |
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Definition
1. Regulatory - maintain homeostasis
2. Safety - avoid, escape, or fend off danger.
3. Reproductive - sexual drive, care for young.
4. Social - require cooperation to survive.
5. Educative - to play and explore, curiosity. |
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Term
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Definition
| A tract in the brain that animals will work hardest and longest to stimulate. |
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Definition
| Crucial center for the behavioral effects of rewards. |
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Definition
| Essential for teh "wanting" compenent of reward, but not for "liking" component. |
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Term
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Definition
Chemicals that inhibit the sense of pain. Are also crucial for teh immediate pleasure experienced when rewards are received.
Affects the "liking" component of rewards. |
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Term
| Central-state theory of drives |
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Definition
Different drives correspond to neural activity in different sets of neurons in the brain.
Central drive system - a set of neurons in which activity constitutes a drive. |
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Term
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Definition
A small area of the brain that is the center of appetite control and weight regulation.
Contains two classes of neurons that have opposite effects on appetite.
Appetite-stimulating: neuropeptide Y (neurotransmitter)
Appetite-suppressing: peptide YY (PYY, hormone). |
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Term
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Definition
A hormone that reduces appetite.
People that lack it are extremely fat, but can lose weight when injected with it. |
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Definition
| People become satiated with one type of food, but appetite renews when a different type is presented. |
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Definition
| The primary adrenal sex hormone in humans. |
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Term
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Definition
| Peripheral feedback - bodily reaction to an emotional stimulus is automatic, the assessment of one's emotional state comes later and is based on the perception of the bodily state. |
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Term
| Common-Sense Theory (Emotion) |
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Definition
| Stimulus leads to perception to emotion and finally to bodily arousal. |
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Term
| Schachter's Theory (Emotion) |
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Definition
| Cognition-plus-feedback - the feeling of an emotion depends on both sensory feedback pertaining to body's response and one's perceptions and thoughts. |
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Term
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Definition
1984. A theory of emotions similar to James's, but focuses on teh role of the face.
Sensory feedback from facial expressions contributes to emotional feelings and production of bodily reactions. |
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Term
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Definition
Part of limbic system.
The brain's early warning system - receives stimulus input from senses and alerts the brain.
two routes of sensory input: subcortical (fast) and cortical (slower) |
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Term
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Definition
| Essential for the full conscious experience of emotions and ability to act in deliberate, planned ways based on those feelings. |
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