Week 9 (EXAM 2) Flashcards
List 1st, 2nd, 3rd order neuron for DCML
List pathway of spinothalamic tract
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What is area (1, 2, 3), (4), (44, 45), (39, 40)?
Explain the localized functions of the cerebral cortex
Explain the signal pathway to/from the cerebral cortex
Label the example
Explain primary somatosensory ares
Explain secondary somatosensory areas
Explain association cortex
Explain the hierarchical “flow” of sensory processing
Explain association cortex responsible for “higher order function”
What are the affected ares and effects of a lesion in the primary somatosensory cortex (SS1)?
What are the affected ares and effects of a lesion in the secondary sensory cortex?
What are the affected ares and effects of a lesion in the PPC?
Explain contralateral neglect syndrome
What is this an example of?
contralateral neglect syndrome
Label major parts active in each step
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What are the 3 planes and terminology used to describe them?
What are the components of cerebrum?
What are the components of white matter?
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Where are commissural fibers?
Where are association fibers?
what are the layers of grey matter in the cerebral cortex?
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Explain planning and execution of the motor cortex
Label for perception and action
Explain broadmann’s primary somatosensory area
Explain broadmann’s secondary somatosensory area
Explain broadmann’s primary motor area
What is the order in sensory homunculus?
What is the order in motor homunculus?
Explain pyramidal and extrapyramidal tracts
What are the tracts in pyramidal system?
What is the anatomy of pyramidal tracts?
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Explain extrapyramidal tract
Explain lateral vs medial motor tracts
Explain lateral and medial CST
What arteries deliver the input/output to/from the circle of willis?
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Label and state which structure is this blood supply to
What are myotomes C5-S1?
What are the signs of UMN tract lesion?
Answer
What can a lesion to corticospinal tract cause?
Explain abnormal reflexes
Explain tonic stretch
Explain myoplasticity
Explain abnormal muscle tone
For a rigid muscle tone, explain what it is, resistance during a passive stretch, EMG during a passive stretch, occurs in what structure, and mechanism
For hypertonia muscle tone, explain what it is, resistance during a passive stretch, EMG during a passive stretch, occurs in what structure, and mechanism
For normal muscle tone, explain what it is, resistance during a passive stretch, EMG during a passive stretch, occurs in what structure, and mechanism
For hypotonia muscle tone, explain what it is, resistance during a passive stretch, EMG during a passive stretch, occurs in what structure, and mechanism
For a flaccid muscle tone, explain what it is, resistance during a passive stretch, EMG during a passive stretch, occurs in what structure, and mechanism
Explain amyotrophic lateral sclerosis (ALS)
What are the structures involved in a motor neuron lesion and a motor tract lesion?
What is an example pathology due to motor neuron lesion vs motor tract lesion?
What happens to voluntary movements in a motor neuron lesion vs motor tract lesion?
What happens to strength in a motor neuron lesion vs motor tract lesion?
What happens to muscle bulk in a motor neuron lesion vs motor tract lesion?
What happens to reflexes in a motor neuron lesion vs motor tract lesion?
What happens to muscle tone in a motor neuron lesion vs motor tract lesion?
