PSYB65H3 Lecture Notes - Lecture 5: Degenerative Disease, Schizophrenia, Hemianopsia
Document Summary
Human brain and behaviour lecture 5 loss of awareness petitmal epilepsy - minor type of epilepsy. Characterized by rolling up of eyes (most common), twitch. 50-75% of the time, occurs by itself. Eeg 3 cycle per second activity sensory motor functions and dysfunctions visual system. Anatomy of the retina is split down the middle temporal portion of your retina near the outside of the head, nasal portion near the nose retina is really part of your central nervous system. Optic nerve - nerve that leaves the retina. The temporal nerves come together, cross then part. Where the nerves touch - optic chiasm the part of your retina from the temporal portion as it continues back, comes to the op- tic chiasm and does not cross. Nasal portion of each retina, when they go toward the optic chiasm, cross and continue over to the opposite side of the brain.
