Psychology 1000 Chapter Notes - Chapter 3: Hindbrain, Brainstem, Grey Matter

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Mike Atkinson

Document Summary

More recently developed structures in the brain are built on top of those from the distant. As the spinal cord enters the brain, it enlarges to form the brain stem, attached to which are structures of the hindbrain. Contains clusters of sensory and motor neurons and tracts sensory portion contains important relay centres for the visual and auditory systems nerve impulses from the eyes and ears are organized and sent to the forebrain for perception. Central role in consciousness, sleep and attention. Attention is an active process in which only the important information gets to our consciousness other outputs have to be blocked descending reticular formation blocks out some signals. Unmyelinated cells that form the outermost part of the brain last thing to have evolved. Not essential for survival like the brain stem structures are, but is important for a human quality of.