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83 Cards in this Set
- Front
- Back
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Sensory perception
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Cerebral Cortex
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Voluntary control of movement
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Cerebral Cortex
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Language
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Cerebral Cortex
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Personality traits
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Cerebral Cortex
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sophisticated mental events - thinking memory decision making, creativity, self consciousness
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Cerebral Cortex
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Inhibition of muscle tone
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Basal nuclei
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Coordination of slow sustained movements
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Basal nuclei
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suppression of useless patterns of movement
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Basal nuclei
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Relay station for synaptic input
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Thalamus
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Crude awareness of sensation
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Thalamus
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Some degree of consciousness
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Thalamus
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role in motor control
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Thalamus
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Regulation of many homeostatic functions - temp, thirst, urine output, food intake
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Hypothalamus
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important link between nervous and endocrine systems
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Hypothalamus
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extensive involvement with emotion and basic behavioral patterns
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Hypothalamus
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role in sleep-wake cycle
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Hypothalamus
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maintenance of balance
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cerebellum
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enhancement of muscle tone
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cerebellum
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coordination and planning of skilled voluntary muscle activity
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cerebellum
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origin of majority of peripheral cranial nerves
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brain stem
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cardiovascular, respiratory and digestive control centers
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brain stem
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regulation of muscle reflexes involved with equilibrium and posture
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brain stem
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reception and integration of all synaptic input from spinal cord; arousal and activation of cerebral cortex
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brain stem
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role in sleep-wake cycle
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brain stem
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concerned with maintaining proper position of the body in space and subconscious coordination of motor activity
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brain stem
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brain stem consists of
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midbrain, pons, medulla
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subcortical region of the brain
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cerebellum
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______plans, initiates and times movements by sending input to the motor areas of ________
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cerebellum, cortex
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key role in learning skilled motor tasks
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cerebellum
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Where is seratonin made?
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raphe nuclei in the pons, midbrain, and medulla
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Where is dopamine made?
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ventral tegmental area/substantia nigra - two midbrain nuclei
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NE is made?
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locus coeruleus, a nucleus in the pons. NE for all the brain is made here
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What pathway degenerates in Parkinson's?
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The DA nigrostriatal pathway - from the substantia nigra to the striatum
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What is the main 'feel good' pathway?
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substantia nigra, where cocaine, amphetamines work
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What is the striatum
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term for the main two basal ganglia structures - caudate and putamen
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What structure was affected by contaminated opiate and led to instant Parkinson's
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striatum, important for motor processing
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Diencephalon components
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Hypothalamus, Thalamus
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ANS coordinating center
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Hypothalamus
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Coordinates all smooth muscle, cardiac muscle, exocrine glands
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Hypothalamus
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Most involved in regulating internal environment
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Hypothalamus
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Some primitive sensory processing
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Thalamus
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Screens out insignificant signals (dripping faucet) and routes important sensory impulses to appropriate areas
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Thalamus
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Helps direct attention to stimuli of interest
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Thalamus
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80% of brain weight
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Cerebrum
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_______connects the two hemispheres of the ________
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corpus callosum, cerebrum
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______ is the Thin outer shell of gray matter that coveres each hemisphere of the ________
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Cerebral cortex, cerebrum
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the 4 major lobes of the _______ are:
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cerebral cortex; occipital, temporal,parietal, frontal
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______carries out initial processing of visual input. Is in the _____
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Occipital lobe; cerebral cortex
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_______ receives initial auditory sensation, is in the _______
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Temporal lobe, cerebral cortex
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______ receives and processes sensory input. Is in the ____
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Parietal Lobe, cerebral cortex
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______ handles somatosensory processing. Is in the ________
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Parietal Lobe, cerebral cortex
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_____ is responsible for voluntary motor activity. Is in the ____--
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Frontal lobe, cerebral cortex
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______ is responsible for speaking ability. Is in the _____
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Frontal lobe, cerebral cortex
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______ is responsible for elaboration of thought. Is in the _____
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Frontal lobe, cerebral cortex
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Image
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Central sulcus
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Image
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Frontal lobe
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Image
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parietal lobe
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Image
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parietooccipital notch
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Image
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occipital lobe
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Image
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preoccipital notch
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Image
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cerebellum
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Image
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brain stem
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Image
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temporal lobe
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Image
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lateral fissure
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Where is the primary motor cortex?
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In Frontal lobe, (ventral?/anterior?) to central sulcus.
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the Primary motor cortex controls what?
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voluntary control over skeletal muscles, 80% of which have crossed over
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Motor homonculus
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info
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Where is the somatosensory cortex?
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In the cerebral cortex, in the parietal lobe, behind the central sulcus
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What is processed at somatosensory cortex?
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discriminitive touch, pain/temp; processed first through thalamus and complex relationship b/t sensory inputs are processed in the somatosensory ctx
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Supplementary Motor area
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on inner surface of cerebral cortex, plans/prepares/programs for complex movements
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Dorsal somatosensory pathway
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discriminitive touch
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pathway for pain and temperature
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spinothalamic
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pathway for proprioception
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spinocerebellar
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_________ pairs of spinal nerves
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31
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Somatosensory system
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3 modalities: discriminative touch; pan/itch/tickle/proprioception
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Describe the fine touch pathway
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Actually 2 pathways; fasciculus cuneatus (upper trunk & arms) and f. gracilus (lower trunk & legs).
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Dorsal spinocerebellar
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B
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Ventral Spinocerebellar
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C
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Lateral Corticospinal
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F
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Ventral Corticospinal
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H
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Ventral spinothalamic
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E
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Lateral spinothalamic
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D
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Ventral spinothalamic
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E
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