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58 Cards in this Set
- Front
- Back
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Left Hemisphere
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school, logic, speech
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Right Hemisphere
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senses, nonverbal, spacial, correlations
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Occipital lobe
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visual processing
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Temporal lobe
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hearing, smell, memory
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Parietal lobe
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primary sensory area
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Frontal lobe impairment
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impairs personality, attention, perseveration
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Apraxia
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inability to perform purposeful movements
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Frontal lobe functions
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voluntary motor cortex, Broca's, personality, behavior
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Wernicke's Lesion
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receptive aphasia
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Broca's Lesion
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expressive aphasia
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Postcentral Parietal gyrus
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receives primary somatic sensory
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Precentral Frontal gyrus
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receives primary voluntary motor
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homunculus
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disproportionate map of most sensitive/skilled areas
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Central sulcus
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separates motor ans sensory areas
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Basal ganglia blood supply
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middle cerebral artery [stroke]
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Basal Ganglia function
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subconscious voluntary motion, coordination
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Basal ganglia Lesions
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cause rigidity, tremors, Parkinson's, Huntington's
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White matter composition
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myelinated axons
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Corpus Callosum
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connects hemispheres
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Cerebrum functions
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receives sensory and sends motor
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Fissure
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deep grove
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Sulci
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shallow groove
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Gyri
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elevated fold
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Limbic System composition
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includes cerebrum, thalamus, hippocampus, amygdala
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Limbic System Functions
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influences emotional states, memory, motivation
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Epithalamus
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[pineal gland]secretes melatonin
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Subthalamus
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subconscious skeletal muscle
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Hypothalamus function
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homeostasis
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Thalamic pain syndrome
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intractable pain form CNS trauma
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Thalamus
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sensory relay center xOlfactory
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Diencephalon components
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hypo/thalamus, sub/epi-thalamus
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Cerebellum disorders
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movement decomposition, ipsilalteral
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Ataxia
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lack of coordinated movement
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Ataxic gait
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wide stagger, inconsistent steps, lack of coordination
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Ataxic gait sources
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head injury, stroke, intoxication
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Cerebellum function
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coordination and balance, posture
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Cerebellum sensory
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info from proprioceptors, vestibular, visual systems
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Cerebellum attachments
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peduncles [tracts]
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Reticular formation function
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influences tone, movement, consciousness
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Reticular formation location
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throughout brainstem, controlled by midbrain
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Pons location
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cerebellum to brainstem
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Pons function
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respitory control, process vestibular[inner ear, eye] input
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Medulla location
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brain to spinal cord
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Medulla relay
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afferent sensory to efferent motor
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Medulla autonomic
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HR, BP, digestion
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Medulla Decussation
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tract cross
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Brainstem Components
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Pons, Medulla, midbrain
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Blood/brain Barrier function
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isolates neural tissue from general circulation
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Blood/brain formation
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tight endothelial cells of CNS capillaries
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Circle of Willis supply
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internal carotid & vertebral arteries
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Hydrocephalus
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obstruction increases CSF
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Arachnoid villi function
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absorb CSF from subarachnoid to dura mater
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CSF circulation
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choroid, ventricles, central canal, subarachnoid
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Choroid plexus location
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brain ventricles of specialized ependymal cells
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Choroid plexus function
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produces 500ml of CSF/day
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CSF function
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neural protection, nutrient/waste circulation
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LP
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Lumbar Punture [Spinal Tap] tests for meningitis
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Brain protection
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skull, meninges, BBB
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