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35 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Neural tube
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Formed by invagination of the ecto dermal tissue by the 3rd week of embryological development
Anterior end differentiates into the forebrain, midbrain, and hindbrain |
Tel and Die
Mes Met and Mye |
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Telencephalon
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forms cerebrum (largest part of brain)
Responsible for higher mental functions |
Tell me something brilliant
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Cerebrum
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Composed of two lateral hemispheres
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Corpus collosum
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Interconnects the right and left cerbral hemisphers
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Splits brain
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Gyri
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Folds
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Sulci
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Grooves
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Suki dances
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Frontal lobe
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Anterior cerebral cortex
Motor cortex Primary area for forethought and reasoning Contains Broca's area for motor speech |
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Pre-central gyrus
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Located in frontal lobe
Full of motor neurons |
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Parietal lobe
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Posterior to frontal lobe
Sensory cortex Primary area of percepion of pain, temp, touch, and pressure |
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Post central gyrus
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Located in parietal lobe
Forms sensory cortex |
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Temporal lobe
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Inferior to parietal lobe
Responsible for interpretation and association of auditory and visual information |
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Occipatal lobe
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Posterior cortex
Responsible for vision and coordination of eye movements |
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Electroencephalograms (EEG)
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Visual graphs of synaptic potentials produced at call bodies and dendrites of neurons
Used to diagnose epilepsy and brain death |
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Alpha waves
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EEG wave pattern
from parietal and occipital regions Person is awake, relaxed, and with eyes closed |
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Beta waves
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EEG wave pattern
from frontal lobes Produced during visual stimuli and mental activity |
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Theta waves
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From temporal and occipital lobes
Common in newborns, unusual in adultts |
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Delta Waves
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From all over brain
Common in infants during sleep and wake cycles In adults, indicates brain damage |
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REM (Rapid Eye Movement)
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Sleep EEG pattern
Dreams occur |
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non-REM
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Sleep EEG pattern
during complete relaxation |
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Basal ganglia
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Masses of gray matter located deep within the white matter of the cerebrum
Control voluntary movement |
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Broca's area
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For speech articulation
In left frontal lobe Damage causes inarticulate speech |
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Wernicke's area
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For speech comprehension
In left parietal lobe Damage causes rapid, nonsensical speech |
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Limbic system
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Center for basic emotional drives of survival, rage, and sex
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Hypothalamus
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Has centers for agression, fear, feeding, sex drive and behavior, and reward and punishment
Stimulates the release of hormones from anterior pituitary gland Produces ADH and oxytocin (to be stored and released by pos. pit.) Coordinates the sympathetic and parasympathetic nervous systems |
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Short-term memory
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Memory of recent events
Requires medial temporal lobe and the hippocampus |
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Long-term memory
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Consolidated from short-term memory by medial temporal lobe
Neural stems in hippocampus are required |
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Right brain
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Visuospatial
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Left brain
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Language and analyical activities
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Diencephalon
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Thalamus, epithalamus, and hypothalamus
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Thalamus
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Forms the walls of the third ventricles
Acts as a relay center through which all sensory information (except smell) passes to the cerebral cortex |
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Mesencephalon
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Midbrain
Contains the corpora quadrigemina, cerebral peduncles, and substantia nigra |
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Corpora quadrigemina
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In mesencephalon
Made up of superior colliculi (for visual reflexes) and inferior colliculi (for auditory reflexes) |
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Metencephalon
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Part of hindbrain
Contains pons and cerebellum |
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Pons
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Connect hindbrain to cerebellum
Contains the apneustic and pneumotaxic respiration centers |
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Cerebellum
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Recieves input from propioceptors and particpates in the coordination of movement
Compares intended with actual movement |
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