HSE204 - Study Area 2, Topic 1: Neuromuscular mechanisms

Question	Answer
Cell Body / Soma	Contains the nucleus; metabolic centre maintains homeostasis
Axons	Send information to other structures
Dendrites	Receive information Located around cell body
Axon Terminals	Send efferent information to other neurons
Sensory / Afferent Neurons	Send info to the CNS
Motor / Efferent Neurons	Carry information away from CNS to effectors
Interneurons	Within the CNS; Work as connections between motor and sensory neurons
Glial Cells	Provide nutrition and support for neurons
Cerebral Cortex - Frontal Lobe Function	Voluntary movement control. Contains Supplemental Motor Area (SMA); Premotor Cortex; Primary Motor Cortex
Cerebral Cortex - Parietal Lobe Function	Perception of sensory info. Contains primary somatosensory cortex; sensory association areas.
Cerebral Cortex - Occipital Lobe Function	Perception of visual info
Cerebral Cortex - Temporal Lobe Function	Areas important for memory
Function of the Sensory Cortex	Receive sensory and motor information; Learning of movement;
Associations Areas Functions	Distributed throughout cortex; Associating and piecing together information from different areas.
Motor Areas Functions	Planning, preparation and execution of movements
Basal Ganglia	Subcortical; Contains 4 neuclei; Receives info fron cerebral cortex and brainstem; Critical in scaling and modifying parameters of movement (velocity, amplitude and direction)
Thalamus	Group of nuclei in diencephalon. Receives and integrates sensory information; Filters and gates irrelevant information
Cerebellum / "Small Brain"	Located below and behind cerebrum. Coordinates and monitors movement, mainly error detection and correction.
Alpha Motor Neurons	Innervate skeletal muscle
Motor Unit	Alpha neuron and all muscle fibres it innervates

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HSE204 - Study Area 2, Topic 1: Neuromuscular mechanisms

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	Created by rob.nash1984 about 10 years ago