Science Quiz / Nuclei of the Brain

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Can you name the nuclei of the human brain?

by adskibinski

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Hint	Nucleus	Located in
It's axons convey proprioceptive information to the cerebellum		Spinal cord
Medial nucleus of the dorsal column pathway		Caudal medulla
Lateral nucleus of the dorsal column pathway, more lateral		Caudal medulla
Axons from this nucleus are presynaptic sympathetic fibers		Spinal cord
Somatic motor nucleus affected in medial medullary syndrome		Rostral medulla
Lesions here cause hoarseness and dysphagia		Rostral medulla
Sends parasympathetic innervation from the brainstem to the heart and others		Rostral medulla
Receives taste information from CN VII		Rostral medulla
Afferent nucleus of the corneal reflex		Rostral medulla, pons
Sends contralateral fibers through the MLF		Pons
Receives fibers from both sides of the cortex		Pons
Lesions here can cause nystagmus, nausea		Rostral medulla and pons
Parasympathetic nucleus of the facial nerve		Pons
Coordinates gaze		Pons
Receives vestibular input through the inferior cerebellar peduncle		Cerebellum
End of the spinocerebellar tract		Cerebellum
Largest of the cerbellar deep nuclei		Cerebellum
Receive fibers of the rubrospinal tract		Midbrain
Lesions here greatly impair ocular movements in every direction		Midbrain
Involved in the pupillary light reflex, receives input from retina		Midbrain
Axons from this nucleus cross the midline before reaching their target muscle		Midbrain

Hint	Nucleus	Located in
Contains dopaminergic neurons		Midbrain
Thalamic nucleus involved in Papez' circuit		Thalamus
Site of damage in Wernicke's encephalopathy		Thalamus
Nucleus that receives the output of the basal ganglia		Thalamus
Nucleus that receives the output of the basal ganglia and cerebellum		Thalamus
Contains neurons that receive somatosensory input from the contralateral body		Thalamus
Contains neurons that receive somatosensory input from the ipsilateral face		Thalamus
Receives the optic tract		Thalamus
Projects to the auditory cortex		Thalamus
Synthesizes oxytocin and vasopressin		Hypothalamus
Synthesizes oxytocin and vasopressin		Hypothalamus
Stimulation of this area induces sweating/vasodilation		Hypothalamus
Stimulation of this area induces shivering/vasoconstriction		Hypothalamus
Involved in circadian rhythms		Hypothalamus
Contains leptin receptors, involved in feeding behavior		Hypothalamus
Connected to the hippocampus via the fornix		Hypothalamus
Lesions here cause hemiballismus		Basal ganglia
Together with the putamen, comprises the striatum of the basal ganglia		Basal ganglia
Part of the ventral striatum, thought to play a role in addiction		Basal ganglia
It's external segment is part of the indirect pathway in the basal ganglia		Basal ganglia

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Created Sep 24, 2009
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