Term
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Definition
| Individual cells; receive, transmit, and integrate information |
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Term
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Definition
| Small knobs that secrete neurotransmitters |
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Term
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Definition
| When cell is inactive; stable negative charge |
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Term
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Definition
| Brief shift in the neuron's electrical charge that travels along the axon |
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Term
| Absolute refractory period |
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Definition
| Minimum length of time after an action potential during which another action potential CANNOT begin |
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Term
| Postsynaptic potential (PSP) |
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Definition
| Voltage change at a receptor site on a postsynaptic cell membrane |
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Term
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Definition
| Neurotransmitters are sponged up from the synaptic cleft by the presynaptic membrane |
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Term
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Definition
| Chemical that mimics the action of a neurotransmitter |
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Term
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Definition
| Chemical that opposes the action of a neurotransmitter |
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Term
| Peripheral Nervous System |
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Definition
| Made up of all those nerves that lie outside the brain and spinal cord |
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Term
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Definition
| Made up of nerves that connect to voluntary skeletal muscles and to sensory receptors |
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Term
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Definition
| Axons that carry info inward to the central nervous system from the periphery of the body |
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Term
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Definition
| Axons that carry info OUT from the central nervous system to the periphery of the body |
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Term
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Definition
| Made up of nerves that connect to the heart, blood vessels, smooth muscles, and glands |
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Term
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Definition
| Branch of the autonomic nervous system that mobilizes the body's resources for emergencies |
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Term
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Definition
| Branch of the autonomic nervous system that generally conserves bodily resources |
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Term
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Definition
| Consists of the brain and the spinal cord |
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Term
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Definition
| involves destroying a piece of the brain |
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Term
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Definition
| Part of limbic system involved in emotion and aggression |
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Term
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Definition
| Responsible for sensing, thinking, learning, emotion, consciousness, and voluntary movement |
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Term
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Definition
| Bridge of fibers passing info between the two cerebral hemispheres |
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Term
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Definition
| Relay center for cortex; handles incoming and outgoing signals |
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Term
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Definition
| Structure that coordinates fine muscle movement, balance |
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Term
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Definition
| Group of fibers that carry stimulation related to sleep and arousal thru brainstem |
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Term
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Definition
| Involved in sleep and arousal |
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Term
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Definition
| Responsible for transmitting info between brain and rest of the body; handles simple reflexes |
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Term
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Definition
| Responsible for regulating largely unconscious functions such as breakthing and circulation |
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Term
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Definition
| Part of limbic system involved in learning and memory |
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Term
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Definition
| "Master" gland that regulates other endocrine glands |
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Term
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Definition
| Responsible for regulating basic biological needs: hunger, thirst, temperature control |
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Term
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Definition
| Loosely connected network of structures located roughly along the border between the cerebral cortex and deeper subcortical areas |
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Term
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Definition
| Intricately folded outer layer of the cerebrum |
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Term
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Definition
| Right and left halves of the cerebrum |
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Term
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Definition
| Structure that connects the two cerebral hemispheres |
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Term
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Definition
| Includes primary visual cortex |
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Term
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Definition
| Primary somatosensory cortex (registers touch) |
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Term
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Definition
| Includes primary auditory cortex |
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Term
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Definition
| Includes primary motor cortex |
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Term
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Definition
| Neurons activated by performing an action or by seeing another monkey or person perform the same action |
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Term
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Definition
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Term
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Definition
| Left-right imbalances between the cerebral hemispheres in the speed of visual or auditory processing |
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Term
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Definition
| Releases a great variety of hormones that fan out around the body, stimulating actions in the other endoctrine glands |
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Term
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Definition
| A hormone released by the pituitary gland, which regulates reproductive behaviors |
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Term
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Definition
| The study of how physical stimuli are translated into psychological experience |
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Term
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Definition
| Stimulation of sense organs |
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Term
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Definition
| Selection, organization, and interpretation of sensory input |
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Term
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Definition
| Minimum stimulus intensity that an organism can detect for a specific type of sensory input |
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Term
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Definition
| Minimum stimulus intensity that an organism can detect for a specific type of sensory input |
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Term
| Just Noticeable Difference (JND) |
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Definition
| Smallest difference in stimulus intensity that a specific sense can detect |
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Term
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Definition
| Registration of sensory input without conscious awareness |
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Term
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Definition
| Gradual decline in sensitivity to prolonged stimulation |
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Term
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Definition
| Specialized receptors that play a key role in DAYLIGHT vision and COLOR vision |
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Term
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Definition
| Specialized visual receptors that play a key role in NIGHT vision and PERIPHERAL vision |
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Term
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Definition
| Inability to recognize objects |
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Term
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Definition
| Inability to recognize familiar faces |
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Term
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Definition
| A progression from individual elements to the whole |
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Term
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Definition
| A progression from the whole to the elements |
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Term
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Definition
| Involves the perception of contours where none actually exist |
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Term
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Definition
| Involves interpretation of visual cues that indicate how near or far away objects are |
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Term
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Definition
| Proposed that specific sound frequencies vibrate specific portions of the basilar membrane, producing distinct pitches; PLACE THEORY |
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Term
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Definition
| Perception of pitch corresponds to the rate, or frequency, at which the entire basilar membrane vibrates |
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