gray & white matter
What is the gross appearance of cells in the brain that support the glia cells and unmyelinated fibers?
pg 12
gray matter
What lobe in the cerebrum aids in visuals?
pg 39
Occipital lobe
The cerebrum serves higher mental functions such as...
pg 38
cognition, language, and memory
Another name for corticospinal tract?
pg 539
pyramidal fibers
The corticobulbar tract conducts impulses from the brain to the
pg 539
cranial nerves
What makes gray matter gray?
pg 12
Absence of myelin
Where is the hypothalamus located in regard to the thalamus?
pg 45
inferior
What does the limbic lobe regulate?
pg 49
Motivational & emtional states
The corticospinal tract conducts impulses from the brain to the
pg 539
spinal cord
What length of axonal projections descends from the corticobulbar tract?
pg 539
short axonal projections
What is made of axonal fibers that form tracts and carry sensory or motor information?
pg 12
White Matter
Which hemisphere is usually dominant for speech and language?
pg 36
Left hemisphere
Which part of the cerebrum functions as the regulator for motor movements and muscle tone?
pg 45
The basal ganglia
What length of axonal projections descends from the corticospinal tract?
pg 539
long axonal projections
What function does the corticobulbar tract serve?
pg 539
Speech functions
What types of fibers consist in the white matter?
pg 69
projection, association, and commissural
Which lobe is rostral to the central sulcus and dorsal to the lateral fissure?
It occupies 1/3 of the hemisphere.
pg 39
frontal lobe
What is one function of the thalamus?
pg 45
possible answers:
- channels sensorimotor info to the cortex
- participates in cortex-mediated functions
-regulates crude awareness of sensation
Abnormal functions of the corticospinal tract could be...?
pg 22
paralysis
What speech functions does the corticobulbar tract innervate?
pg 539
face, tongue, jaw
What does gray matter support?
pg 12
glia cells and unmyelinated fibers
The cerebrum is 100-115 mm thick layer of neurons?
true or false
pg 37
false. 3-5mm
What is one function of the hypothalamus?
It regulates...?
pg 45
possible answers:
- body temperature
- food intake
- water balance
-hormonal secretions
- emotional behavior
- sexual responses
What does the corticospinal tract regulate?
pg 539
Motor control of skeletal muscles
corticobublar tract fibers descend from _____ and synapse on the ______?
pg 20
motor cortex
brainstem