Concerned with performance of complex processes such as speech, writing, mathematics, and spatial relationships.
Restricted to either right or left hemisphere
What are the functional groups of white matter in inner cerebrum?
Association fibers
Commissural fibers
Projection fibers
Describe Association fibers.
Interconnect areas of neural cortex within a hemisphere.
Describe Commissural fibers.
Corpus callosum: Most substantial and important of commissural fibers. Contains more than 200 million axons carrying more than 4 billion impulses per second.
Anterior commissure
Posterior commissure
Describe projection fibers.
Link cerebral cortex to other CNS areas
Includes both sensory (ascending) and motor (descending) fibers
All must pass through diencephalon
Entire mass known as the internal capsule
What is a electroencephalogram?
Electrical activity generates an electrical field that can be measured using electrodes on the scalp.