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GC Chapter 14

Brain and Cranial Nerves

Deep groove that separates hemispheres Longitudinal Fissures
Thick Folds Gyri
Shallow Grooves Sulci
Thick nerve bundle underneath the longitudinal Fissure that connects the hemispheres Corpus Callosum
Area of the brain that occupies the posterior cranial fossa Cerebellum
Area of the brain that contains 50% of the brains neurons Cerebellum
This type of tissue makes up the cortex over the cerebrum cerebellum, and nuclei Gray matter
This type of tissue composes the tracts that connect the areas of the brain White matter
This sheet of tissue anchors neural tissue to the skull and bones of the vertebral canal Dura Mater
This sheet of tissue cushions the entry/exit of large vessels Arachnoid Mater
This sheet of delicate tissue is where capillaries that serve the brain enter Pia Mater
This substance created buoyancy, protection, and chemical stability for the brain CSF
This function/substance is necessary to provide the brain with ATP Aerobic Respiration/Oxygen
This Functions to regulate the flow of substances that get into the brain BBB
Where the BBB form in blood vessels Tight junctions between the endothelium of the capillaries
Portion of the Astrocyte that connects to the capillary to form the BBB Perivascular Feet
Where the Blood-CSF barrier forms in the choroid plexus In tight junctions between ependymal cells
Where is the BBB absent In the circumventricular organs
Where are the CVOs Median Eminence, Posterior Pit and Pineal Gland
What is the hindbrain Medulla, pons
What is the midbrain Superior/inferior colliculi, cerebellum
What is the Forebrain Diencephalon, cerebral cortex
What area of the brain is the cardiac, vasomotor, resiratory and reflex center Medulla Oblongata
Area of the brain where cranial nerves 5,6,7,8 attach Pons
area of the pons that contain the nuclei for sleep, respiration and posture Reticular Formation
Areas that contain reticular formation Medulla, pons,midbrain
Contains the motor nuclei for cranial nerves 3 and 4 Midbrain
Upper pair of corpora quadrigemina that funtions in visual attention,tracking with the eyes and some reflexes Superior Colliculi
Lower pair of corpora quadrigemina that recieves info from the inner ear Inferior Colliculi
Two stalks that anchor the cerebrum to the brainstem, has motor efferents/afferents Cerebral Peduncles
Lesions in this area of the brain cause emotional overreactions and problems with impulse control Cerebellum
area of the brain responsible for motor control, timekeeping, evaluation of sensory input, hearing Cerebellum
Area that filters info on its way to the cerebrum and relays info from the cerebellum to the cerebrum Thalamus
control center of the autonomic/endrcine systems Hypothalamus
mass of tissue that comprises the epithalamus Pineal gland
area of the brain that is the seat for sensory perception, memory, thought, judgement, and voluntary motor actions Cerebrum
Cerebral lobe responsible for motivation, foresight, planning, memory, mood, emotion, social judgement, aggression, voluntary motor function Frontal Lobe
Cerebral lobe responsible for taste and some visual processing Parietal Lobe
Cerebral lobe that is the primary visual Center Occipital Lobe
Cerebral lobe responsible for hearing, smell, learning, memory, some vision and emotion Temporal Lobe
Cerebral lobe responsible for understanding spoken word, taste and sensory info from visceral receptors Insula
carry info between the cerebrum and the rest of the body Projection tracts
enable the two hemispheres to communicate with each other Commisural tracts
tracts that connect different regions within the same cerebral hemisphere Association tracts
type of neuron that receive sensory info and process info on a local level Stellate cells
Only Neurons that leave the cortex and connect with other parts of the CNS Pyramidial Cells
Association area that percieves stimuli Parietal Association area
Association area that identifies stimuli Temporal Association area
Assoicaion area for planning/personality Frontal Association area
Interpretive areas responsible for patterns of cellular organization in cerebral cortex Brodmann Areas
Area of cerebral cortex that recognizes language/plans speech, Left parietal/temporal lobe Wernicke's area
Area of cerebral cortex that programs muscles involved in speech Left lateral frontal lobe Broca's Area
Motor Cranial nerves 3 4 6 11 12
Sensory Cranial nerves 1 2 8
Mixed cranial nerves 5 7 9 10
Components of the brainstem from (caudal-rostral) diencephalon, midbrain, midbrain, pons, medulla oblongata
small mass of tissue, comprises the pineal gland Epithalamus
Name for the Cerebrum Telencephalon
cerebral lobe responsible for voluntary motor, motivation, foresight,planning, mood, emotion social judgement, aggression Frontal Lobe
cerebral lobe responsible for taste and some visual processing Parietal Lobe
cerebral lobe that is the primary visual center Occipital lobe
cerebral lobe that responsible for hearing, smell, learning, memory, some aspects of vision and emotion Temporal Lobe
cerebral lobe responsible for understanding spoken language, taste and sensory info from visceral receptors Insula
six layer tissue that makes up 90% of the cerebral cortex neocortex
area of the temporal lobe responsible for memory hippocampus
area rostral to the hippocampus, responsible for emotion amygdala
What are the higher brain functions Sleep, memory, cognition, emotion sensation, motor control, language
brain waves normal in an adult when they are resting, eyes closed with mind wandering Alpha waves
brain waves normal in people with eyes open, performing mental tasks, increased during times of mental activity and sensory stimulation Beta waves
brain waves normal in sleeping adult, occur when awake during times of emotional distress Theta waves
brain waves that occur during deep sleep Delta waves
area responsible for learned eye movements (reading left to right, in the precentral gyrus, laterally frontal eye field
lesion in wernike area, speech normal but excessive, cannot understand spoken/written language fluent aphasia
lesion in broca area, speaks slowly, chooses words that are approximate to the correct word non fluent aphasia
where the division of the cerebrum describes the left side as the catagorical hemisphere and the right side is the representational hemisphere cerebral lateralization
condition characterized by stabbing pains in near mouth and nose that is brought on by eating drinking, washing face Tic Douloureux (Trigeminal Neuralgia)
Degenerative disorder of the facial muscles that paralizes one side of the face Bell's Palsy
Created by: 100000860991270