Neuro Practice Wk 3
Match each major area of the diencephalon with it's correct function
Subthalamus
Relay station for all incoming motor and sensory (minus smell) as well as some emotion and memory
Hypothalamus
Functional part of basil ganglia/ movement regulation
Epithalamus
Functions needed to live (body temp, maintaining homeostasis, circadian rhythm, metabolism, reproduction, response to stress, etc.)
Thalamus
Circadian rhythms, secretions of pituitary gland, adrenal gland
What kind of thalamic nuclei tie emotions to memory and integrate different sensations
Association nuclei
Non-specific nuclei
Relay nuclei
Modulatory nuclei
Non-specific thalamus nuclei are responsible for ________
Tying emotions to memory
Carrying information to the cerebral cortex from basil ganglia, sensory system, and cerebellum
Regulating consciousness, arousal, and attention
Motor function
Match the sensory thalamic nuclei with their proper function
Pulvinar nucleus (P)
Relay center for the auditory pathway
Ventral posteromedial nucleus (VPM)
Visual processing
Lateral geniculate nucleus (LG)
Relay center for the visual pathway
Ventral posterolateral nucleus (VPL)
Sensory information from the face and the relay center for taste
Medial geniculate nucleus (MG)
Sensory information from the body
All 7 of the sensory and motor thalamic nuclei are relay nuclei.
True
False
The ventral anterior thalamic nucleus is responsible for (select all that apply).
Initiating movement
Coordinating movement
Modulation of movement
Planning movement
The ventral lateral nucleus receives input from the basal ganglia and cerebellum in order to coordinate and modulate movement.
True
False
The ventral anterior nucleus receives projection fibers from where?
Cerebellum only
Basil ganglia only
Both cerebellum and basil ganglia
What is the only sense that does not pass through the thalamus?
Taste
Auditory
Visual
Olifactory
What structure is impaired in lateropulsion?
Anterior thalamus
Posterior thalamus
Subthalamus
Hypothalamus
Lateropulsion or Pusher Syndrome results in a powerful pushing toward the less paretic side
True
False
Sexual dysfunction, irregular menstruation, and tunnel vision are indicators of a lesion in what area of the diencephalon?
Thalamus
Pituitary gland
Subthalamus
Hypothalamus
Hemiballismus, or involuntary movements on one side of the body, are indicators of a lesion in what area of the diencephalon?
Thalamus
Pituitary gland
Subthalamus
Hypothalamus
Match the type of thalamus lesion with the correct clinical impications
Sensory relay nuclei lesion
Contralateral sensation impairment; proprioception
Motor relay nuclei lesion
Impaired initiation and coordination of movement
Intralaminar nuclei damage
Severe disability or vegetative state
Thalamic pain syndrome
Painful burning or tingling post-stroke
A lesion to the highlighted area would result in what?
Contralateral lack of coordination
Difficulty performing movements in response to verbal commands
Expressive aphasia
Receptive aphasia
A lesion to the highlighted area would result in what?
Difficulty with executive functions
Low vision, blindness
Eyes deviating toward side of lesion
Receptive aphasia
Match each functional area of the brain with its correct function.
5
Contralateral sensory
8
Interpret and give meaning to sensory information
12
Relay station for auditory information
3
Contralateral motor
9
Memory and classification of sounds
7
Contralateral eye movement
4
Speech processing
2
Executive functions
10
Motor planning
11
Interpret and give meaning to visual input
6
Receive visual information
1
Speech production
Label the functional areas of the brain.
6
Primary visual cortex
5
Precentral gyrus
8
Prefrontal cortex
2
Supplementary motor area
7
Sensory association
3
Frontal eye fields
4
Visual association area
1
Postcentral gyrus
What is the function of corpus collosum?
Communication between right and left cerebral hemispheres
Communication to cerebral cortex via projection fibers
Communication within one hemisphere
Association fibers
Take signals to and from cerebral cortex and spinal cord, brainstem, basal ganglia, and thalamus
Send signals between hemispheres
Communicate within one critical region
What kind of fibers are within the internal capsule?
Association
Projection
Commissural
Commissural fibers make up corpus collosum.
True
False
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