CAS PS 101 Lecture Notes - Lecture 4: Prefrontal Cortex, Limbic System, Activation-Synthesis Hypothesis

• School: Boston University
• Department: Psychological & Brain Sciences
• Course: CAS PS 101
• Professor: Robert Reinhart

Document Summary

Consciousness the subjective experience of the world, resulting from brain activity the quality or state of being aware of an external object or something within itself. Awareness - the state or ability to perceive, to feel, or to be conscious of events. Persistent vegetative state - full coma that lasts more than a month. Split-brain patient - this patient is asked what he sees. The left hemisphere sees the right side of the screen and can verbalize that. 1. sleep increases after strenuous physical activity. Growth hormones secreted in sleep strengthens the immune system. Decrements in cognitive performance (ex: attention and memory lapses) Alpha waves - neural oscillations are slowing down. Just barely asleepmight experience vivid imagery and hallucinations just before sleep. Potentially due to muscle relaxation being misinterpreted as "falling" Someone woken up at this stage may not even be aware that they had fallen asleep. theta waves - higher amplitude waves (but slow)