Neurological Conditions Flashcards
Human brain
Cerebrum
Diencephalon
Brainstem
Cerebellum
Brainstemo
Midbrain (ANS), pons, medulla oblongata
Hypothalamus
Homeostasis
Cerebral cortex
80% of brain
Front lobe-executive function, emotional control
Parietal lobe-sensation
Occipital lobe- vision
Temporal lobe-language, hearing
Fissures/sulci
Medial longitudinal fissure: separates hemispheres
Central sylvia fissure: b/n parietal/frontal and temporal
Sulcus: b/n frontal/parietal lobe
Postcentral gyrus in frontal lobe/ primary motor area
Frontal lobe
Personality, behavior, emotion, judgment, planning, problem-solving, Broca’s area (expressive speech), writing, motor strip (movement), intelligence, self awareness, concentration, STM, motor planning
Parietal lobe
Interprets language, words, sense of touch, pain (sensory strip), interprets signal from vision, hearing, motor, and sensory, memory, visuospatial perception (primary sense area)
Occipital lobe
Interprets vision, visual stimuli from optic pathways
Temporal lobe
long term memory, hearing, understanding language (wernicke’s area, receptive), sequencing/organization
Limbic lobe
Emotion and autonomic system
Insula lobe
Gustation, taste, visceral organ sensation, empathy, and self aaare essential
Hypothalamus
Autonomic system, controls hunger, sleep, thirst, secretion of hormones, and sexual response
Pituitary gland
Master gland, endocrine system
Pineal gland
Internal clock, circadian rhythms some role in sexual development
Thalamus
Relay station for all info, plays a role in pain, attention, alertness, memory
Basal ganglia
Caudate and putament glubos, pallidus
Emotional reaction and memory
L hemisphere
Communication, Broca’s/Wernicke’s area
R hemisphere
Attention, concentration, memory, problem solving
Unilateral in attention R parietal
Cerebral arteries
Anterior cerebral artery: medial air face if frontal/parietal lobee
middle Cerebral artery: lateral surface of frontal/parietal lobe, superior temporal, Deep internal capsule and basal nuclei
Posterior Cerebral Artery
Inferior temporal lobe and occipital lobe
Cranial nerves in brainstem
Most originate in brainstem
Midbrain: Oculomotor CN3, Trochlear CN4, trigeminal CN5
Pons: abducen CN6, facial CN7
Medulla oblongata: vagus cn10, hypoglossal CN 12
Cranial nerves
1)olfactory: smell
2) optic: vision
3)oculomotor: eye movement/pupil
4) trochlear: eye movement
5) trigeminal: somatosensory of face, muscles for chewing
6) abducens: eye movement
7) facial: taste of anterior 2/3 of tongue, somatosensory from ear muscles for facial expressions
8)vestibulocochlear: hearing/balance
9) glossopharyngeal: taste of posterior 2/3 of tongue, tonsil, tongue, pharynx, controls some muscle in swallowing
10)vagus: glands, digestion, HR, autonomic
11) spinal accessory nerve: muscles in head movement
12) hypoglossal: muscle of tongues
Cerebellum
Inferior to cerebrum, posterior to brainstem, superior/inferior cerebral peduncles carry fibers from major spinal tracts cerebrum to spinal cord
Pons
Relay center between spinal cord, cerebrum, cerebellum