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Three parts of the Brain
Hindbrain (rhombencephalon), Midbrain (mesencephalon), & Forebrain (prosencephalon)
Bridge to join the two hemispheres of the cerebellum; connects the cerebellum with the cerebrum and with the spinal cord
Connects the forebrain and the hindbrain; aids in regulating and coordinating movements
Primary Motor Strip
Precentral gyrus. Area associated with common motor pathway to skeletal muscles. Works opposite side of body.
Boca's speech area
Left inferior frontal gyrus. Responsible for the motor movements required for speech
Primary sensory strip. Left angular gyrus: comprehension of written words. works opposites side of the body.
responsible for the integration of auditory and visual stimuli. generates input to Broca's area by way of the arcuate fasciculus
white matter of the cerebrum
subcortical white matter consists of 3 fibers: Projection, Assosiation and Commissural fibers
afferent and efferent fibers transmitting impulses to and from the cerebral cortex
interconnect various cortical regions in the same hemisphere: short fibers and long fibers
connect cortical regions with in the same hemisphere. Acuate fasciculus: connects wernicke's area to Broca's area
interconnects the corresponding cortical regions of the two hemispheres. (Corpus Callosum)
Left vs. Right Hemisphere
Left: Language, Math, Handedness, Analytical thought
Right: Art, Music, Creativity
Both: Motor and Sensory control
Produced by the choroid plexus. Flows through a system of ventricles: lateral (2) > 3rd ventricle > 4th ventricle
fluid filled cavities in the brain. protects boinsy, helps the endocrine system with transportation of hormones
Masses of grey matter in the cerebrum. regulates complex motor functions: posture, locomotion, balance, inhibitory.
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