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49 Cards in this Set
- Front
- Back
A branch of Psychology that links biology and behavior together
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Biological Psychology
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Basic building block of nervous system
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Neuron
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Brushy ends receive and conduct messages
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Dendrite
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Messages pass through this to other neurons
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Axon
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Layer of fatty tissue that protects the neurons
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Myelin Sheath
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Brief impulse, or electrical charge that travels down the axon
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Action Potential
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Junction between axon tip and dendrite
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Synapse
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Chemical messengers traveling synaptic gaps between neurons
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Neurotransmitters
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Enables learning and memory
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Acetylcholine
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Controls pain and pleasure
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Endorphins
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Body's communication network
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Nervous system
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The brain and spinal cord make up this system
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Central nervous system
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Sensory and motor neurons connecting body
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Peripheral nervous system
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Neural cables connecting body
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Nerves
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Carry information from sense receptors to CNS
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Sensory neurons
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Carry outgoing information from CNS to muscles and glands
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Motor neurons
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CNS neurons that internally communicate
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interneurons
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Controls body's skeletal muscles
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Somatic nervous system
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Controls glands and muscles of internal organs
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Autonomic nervous system
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Arouses body
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Sympathetic nervous system
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Calms body
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Parasympathetic nervous system
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response, like a knee-jerk response
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reflex
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interconnected neural cells
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neural network
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Body's chemical communications system
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Endocrine system
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Chemical messengers created by endocrine
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Hormones
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Helps to arouse the body in times of stress; you may get a "rush" of this
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Adrenal Glands
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Regulates growth anf controls other endocrine glands
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Pituitary glands
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Tissue distruction
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Lesion
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Measurement of waves of electrical activity in the brain
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EEG scan
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While scanning brain, it detects where radioactive forms of glucose are going
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PET scan
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Differentiates brain tissue
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MRI scan
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Helps detect blood flow in brain
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fMRI scan
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Central core of brain
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Brainstem
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Controls heartbeat and breathing
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Medulla
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Controls arousal
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Reticular formation
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Brain's "switchborad"
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Thalamus
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Coordinates movement and balance
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Cerebellum
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Associated with fear and emotion
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Limbic system
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Linked to fear and emotion; there are 2 of these in our brain
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Amygdala
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Directs survival activities
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Hypothalamus
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Body's control and information-processing center
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Cerebral Cortex
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Cells that protect neurons
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Glial cells
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Involved with speaking and muscle movements
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Frontal lobes
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Receives sensory input for touch and body position
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Parietal lobes
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Receieve visual information from opposite visual field
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occipital lobes
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Receives auditory information from opposite ear
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Temporal lobes
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Controls voluntary movements
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Motor cortex
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Processes body touch and movement
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Sensory cortex
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Involved with mental functions like learning and thinking
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Association areas
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