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Psychology Midterm
N/A
28
Psychology
Undergraduate 2
03/06/2013

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Cards

Term
Amygdala
Definition
Part of limbic system involved in emotion and aggression
Term
Hypothalamus
Definition
Responsible for regulating basic biological needs: hunger, thirst, temperature control
Term
Hippocampus
Definition
Learning and memory
Term
Pons
Definition
Sleep and arousal
Term
Medulla
Definition
Regulates unconscious functions such as breathing and circulation
Term
Spinal Cord
Definition
Transmits information between brain and rest of the body; handles simple reflexes
Term
Reticular formation
Definition
Group of fibers that carry stimulation related to sleep and arousal through brainstem
Term
Cerebellum
Definition
coordinates fine muscle movement, balance
Term
Medulla
Definition
attaches to the spinal cord, controls largely unconscious but essential functions, such as breathing, maintaining muscle tone, and regulating circulation.
Term
Efferent nerve fibers
Definition
axons that carry information outward from the central nervous system to the periphery of the body.
Term
Afferent nerve fibers
Definition
axons that carry information inward to the central nervous system from the periphery of the body
Term
Soma
Definition
or cell body, contains the cell nucleus and much of the chemical machinery common to most cells
Term
Dendrites
Definition
the parts of a neuron that a specialized to receive information.
Term
Gilia
Definition
cells found throughout the nervous system that provide various types of support for neurons.
Term
Myelin sheath
Definition
insulating material that encases some axons.
Term
Axon
Definition
a long, thin fiber that transmits signals away from the soma to other neurons or to the muscles or glands.
Term
Cerebrum
Definition
Responsible for sensing, thinking, learning, emotion, consciousness, and voluntary movement
Term
Frontal
Definition
Executive functions, thinking, planning, organizing and problem solving, emotions, behavioral control, and personality.
Term
Temporal
Definition
Memory, understanding, language, and hearing.
Term
Parietal
Definition
Perception, making sense of the world, arithmetic, and spelling.
Term
Occipital
Definition
Vision
Term
Left Hemisphere of Brain
Definition
Language, computation, and, logical reasoning
Term
Right Hemisphere of Brain
Definition
Spatial reasoning, face recognition, music
Term
Processes that take place at the synapse:
Definition
1.) Synthesis and storage of neutrotransmitter molecules in sympathetic vesicles.
2.) Release of neurotransmitter molecules into synaptic cleft.
3.) Binding of neurotransmitters at receptor sites on postsynaptic membrane.
4.) Inactivation (by enzymes) or Removal (drifting away) of neurotransmiters.
5.) Reuptake of neurotransmitters sponged up by the presynaptic neuron.
Term
Acetylcholine
Definition
skeletal muscle movement, attention & possibly memory.
Term
Dopamine
Definition
ability to execute smooth, controlled movements, positive emotions (cocaine), role in Parkinson’s & schizophrenia.
Term
Serotonin
Definition
sleep/wakefulness, eating, aggressive behavior, role in depression.
Term
Norepinephrine
Definition
stress response (adrenalin), regulation of mood, role in depression.
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