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19 Cards in this Set
- Front
- Back
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Divisons of PNS
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Visceral and Somatic
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forebrain
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hypothalamus, cerebrum, thalamus, striatum, corpus callosum, olfactory bulb, optic nerve
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midbrain
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dopamine produced in substantia nigra
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hindbrain
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cerebellum, pons, , medulla
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Papez circuit
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limbic system pathway for emotion
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limbic system
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is a set of brain structures including the hippocampus, amygdala, anterior thalamic nuclei, septum, limbic cortex and fornix, which seemingly support a variety of functions including emotion, behavior, long term memory, and olfaction
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Cortical relay area
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thalamus
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Somatic PNS innervates:
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skin, muscle, joints
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Visceral innervates
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internal organs, blood vessels, glands
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Dorsal root ganglia
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cluster of neuronal cell bodies that contain the somatic sensory axon
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Autonomic nervous system divisions
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sympathetic and parasympathetic
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Basal Ganglia Function
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Coordinating movement
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where does degeneration occur in Parkinson's disease ?
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Dopamine producing neurons in the substantia nigra (basal ganglia)
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cerebellum function and main cell layers
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motor coordination. Cell layers are purkinje and granule cells
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CT Scan
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X-ray beams to generate data on radiodensity (radiopacity) that generates a digitally reconstructed image
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MRI
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H+ atoms in a strong magnetic field
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Advantage of MRI over CT
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-no radiation
-more detail -brain slice image in any angle |
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PET
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changes in blood flow and glucose metabolism (2-deoxyglucose into blood)
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fMRI
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Diff in magnetic resonance bet. deoxyhemoglobin and oxyhemoglobin (ratio)
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