The Brain - 9.1 Inside the Brain: Gray & White Matter Flashcards
The cerebrum contains both white and grey ______________.
Matter
What is found in gray matter of the brain?
Cell bodies (soma), dendrites, synapses
What forms white matter?
Myelinated nerve fibers (axons) that form tracts connecting one region of the CNS to the another.
What is the site where all information processing, memory, thought and decisions are made in the brain?
In gray matter
Where do neurons “talk to each other”? Hint, communication is at the synapses between neurons.
In gray matter
The cerebral cortex in the brain is found on the _______________ portion of the cerebrum.
Outer
The cerebral cortex is made of _________ matter.
Gray
The inner portion of the brain contains ______________ .
- White matter
- Gray matter (called nuclei).
Areas (masses) of grey matter found in the deeper portion of the cerebrum are called_____________.
Cerebral nuclei
Cerebral nuclei are __________________ centers.
Processing (integration)
What gives grey matter its color?
Lack of myelin sheaths
What gives white matter its color?
Myelin sheaths that surround the axons of neurons.
White matter contains ________________ of myelinated nerve fibers.
myelinated
What connects parts of the cerebrum with other parts of the brain and body?
tracts
The _______________ is a large group of tracts in the cerebrum that connects the left hemisphere with the right hemisphere.
Corpus callosum
