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39 Cards in this Set
- Front
- Back
Lesions in the superior parietal association area may result in: |
Astereognosis (inability to identify an object through touch/sensory input) |
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Lesions in the inferior parietal association area may result in: |
Alexia/agraphia/acalculia, neglect syndrome |
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What is the visual association area responsible for? |
Complex visual perception related to colour/shape/location/direction of moving objects |
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Damage to Broca's speech area could result in? |
Nonfluent aphasia |
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Damage to Wernicke's speech area could result in? |
Fluent aphasia |
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What system is the cingulate gyrus largely involved in? |
The limbic system |
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What is the limbic system responsible for? |
Many aspects of emotion/behaviour, and memory/memory formation |
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What are the two main segments of the lentiform nucleus? |
Globus pallidus & putamen |
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What are the caudate nucleus and putamen known as collectively? |
The corpus striatum |
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What is the internal capsule? |
A concentration of white matter projection fibers |
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What is the corona radiata? |
A pair of white matter tracts seen at the level of the lateral ventricles which converge inferiorly as the internal capsule |
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What is the role of the thalamus? |
Relays & regulates sensory information to the cortex, regulates states of consciousness by reducing sensory perception during sleep |
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What is the role of the hypothalamus? |
Production of hormones which govern sleep, thirst/hunger, mood, sex drive etc. |
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What is the function of the fornix? |
It is a bunch of nerve fibers which carry signals from the hippocampus to the mamillary bodies and then to the thalamus. |
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What is the corpus callosum? |
A bundle of neural fibers connecting the left and right cerebral hemispheres and allowing interhemispheric communication. |
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What do the forceps minor fibers connect? |
Lateral and medial surfaces of the frontal lobe |
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What do the forceps major fibers connect? |
The occipital lobes |
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What is the substantia nigra? |
Neurons which produces the neurotransmitter dopamine, which send signals to the basal ganglia. |
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What two structures does the middle cerebellar peduncle connect? |
The cerebellum and the pons |
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What are the 3 meninges, from outermost to innermost? |
Dura mater, arachnoid mater, pia mater |
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What does the denticulate ligament attach to? |
It attaches the pia mater to the arachnoid and dura mater. |
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What is the cauda equina? |
Bundle of spinal nerves and spinal nerve roots |
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What is the filum terminale? |
Strand of fibrous tissue extending from the conus medullaris which gives longitudinal support to the spinal cord. |
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What is the septum pellucidum? |
A membrane separating the anterior horns of the lateral ventricles. |
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What passes through the cribriform plate? |
Cranial nerve I (olfactory) |
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What passes through the optic canal? |
Cranial nerve II (optic) |
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What passes though the superior orbital fissure? |
Cranial nerves III, IV, V1, VI (occulomotor, trochlear, opthalmic branch of trigeminal, abducens) |
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What passes through foramen rotundum? |
Cranial nerve V2 (maxillary branch) |
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What passes through foramen rotundum? |
Cranial nerve V2 (maxillary branch) |
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What passes through foramen ovale? |
Cranial nerve V3 (mandibular branch) |
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What passes though the internal acoustic meatus? |
Cranial nerve VII & VIII (facial and vestiblocochlear) |
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What passes through the stylomastoid foramen? |
Cranial nerve VII (facial), stylomastoid artery |
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What passes through the jugular foramen? |
Cranial nerves IX, X, XI (glossopharyngeal, vagus, accessory) |
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What passes through the hypoglossal canal? |
Cranial nerve XII (hypoglossal) |
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What attaches to the internal occipital crest? |
Falx cerebelli |
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What attaches to the external occipital crest? |
Nuchal ligament |
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What significance does the petrous part of the temporal bone have? |
Contains acoustic meatus and organs essential for hearing |
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What passes through the mandibular foramen? |
Mandibular nerve, inferior alveolar nerve |
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What passes though the parietal emissary foramen? |
Parietal emissary vein |