Neuro Practice Wk 3
Match each major area of the diencephalon with it's correct function
Hypothalamus
Relay station for all incoming motor and sensory (minus smell) as well as some emotion and memory
Subthalamus
Circadian rhythms, secretions of pituitary gland, adrenal gland
Thalamus
Functions needed to live (body temp, maintaining homeostasis, circadian rhythm, metabolism, reproduction, response to stress, etc.)
Epithalamus
Functional part of basil ganglia/ movement regulation
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
Medial geniculate nucleus (MG)
Relay center for the visual pathway
Pulvinar nucleus (P)
Visual processing
Lateral geniculate nucleus (LG)
Sensory information from the face and the relay center for taste
Ventral posteromedial nucleus (VPM)
Sensory information from the body
Ventral posterolateral nucleus (VPL)
Relay center for the auditory pathway
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
Thalamic pain syndrome
Severe disability or vegetative state
Intralaminar nuclei damage
Impaired initiation and coordination of movement
Motor relay nuclei lesion
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.
9
Motor planning
2
Executive functions
6
Interpret and give meaning to sensory information
7
Memory and classification of sounds
3
Receive visual information
10
Contralateral motor
8
Speech processing
4
Relay station for auditory information
5
Speech production
11
Interpret and give meaning to visual input
12
Contralateral sensory
1
Contralateral eye movement
Label the functional areas of the brain.
7
Prefrontal cortex
6
Primary visual cortex
4
Precentral gyrus
5
Frontal eye fields
8
Visual association area
3
Postcentral gyrus
2
Supplementary motor area
1
Sensory association
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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