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35 Cards in this Set

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Neural tube
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
Telencephalon
forms cerebrum (largest part of brain)

Responsible for higher mental functions
Tell me something brilliant
Cerebrum
Composed of two lateral hemispheres
Corpus collosum
Interconnects the right and left cerbral hemisphers
Splits brain
Gyri
Folds
Sulci
Grooves
Suki dances
Frontal lobe
Anterior cerebral cortex

Motor cortex

Primary area for forethought and reasoning

Contains Broca's area for motor speech
Pre-central gyrus
Located in frontal lobe

Full of motor neurons
Parietal lobe
Posterior to frontal lobe

Sensory cortex

Primary area of percepion of pain, temp, touch, and pressure
Post central gyrus
Located in parietal lobe

Forms sensory cortex
Temporal lobe
Inferior to parietal lobe

Responsible for interpretation and association of auditory and visual information
Occipatal lobe
Posterior cortex

Responsible for vision and coordination of eye movements
Electroencephalograms (EEG)
Visual graphs of synaptic potentials produced at call bodies and dendrites of neurons

Used to diagnose epilepsy and brain death
Alpha waves
EEG wave pattern

from parietal and occipital regions

Person is awake, relaxed, and with eyes closed
Beta waves
EEG wave pattern

from frontal lobes

Produced during visual stimuli and mental activity
Theta waves
From temporal and occipital lobes

Common in newborns, unusual in adultts
Delta Waves
From all over brain

Common in infants during sleep and wake cycles

In adults, indicates brain damage
REM (Rapid Eye Movement)
Sleep EEG pattern

Dreams occur
non-REM
Sleep EEG pattern

during complete relaxation
Basal ganglia
Masses of gray matter located deep within the white matter of the cerebrum

Control voluntary movement
Broca's area
For speech articulation

In left frontal lobe

Damage causes inarticulate speech
Wernicke's area
For speech comprehension

In left parietal lobe

Damage causes rapid, nonsensical speech
Limbic system
Center for basic emotional drives of survival, rage, and sex
Hypothalamus
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
Short-term memory
Memory of recent events

Requires medial temporal lobe and the hippocampus
Long-term memory
Consolidated from short-term memory by medial temporal lobe

Neural stems in hippocampus are required
Right brain
Visuospatial
Left brain
Language and analyical activities
Diencephalon
Thalamus, epithalamus, and hypothalamus
Thalamus
Forms the walls of the third ventricles

Acts as a relay center through which all sensory information (except smell) passes to the cerebral cortex
Mesencephalon
Midbrain

Contains the corpora quadrigemina, cerebral peduncles, and substantia nigra
Corpora quadrigemina
In mesencephalon

Made up of superior colliculi (for visual reflexes) and inferior colliculi (for auditory reflexes)
Metencephalon
Part of hindbrain

Contains pons and cerebellum
Pons
Connect hindbrain to cerebellum

Contains the apneustic and pneumotaxic respiration centers
Cerebellum
Recieves input from propioceptors and particpates in the coordination of movement

Compares intended with actual movement