PSYC 2000 Chapter : Chapter 4
Document Summary
The awareness of the sensation, thoughts, and feelings being experienced at a given time. Q: what are some states of consciousness: neuroscience & consciousness. Consciousness emerges from the interaction of individual brain events (like a chord that emerges from different notes): high level of awareness. Some awareness, but minimal attention required; day dreaming autopilot . Due to head injury, anesthesia, coma; no awareness. Attention: the internal process people use to set priorities for mental functioning. One method is called dichotic listening: measuring attention. Circadian rhythms occur on a 24 hour cycle and include sleep and wakefulness. Light triggers the suprachiasmatic nucleus to decrease melatonin from the pineal gland and increases : sleep deprivation. Temporary cessations of breaking during sleep and momentary reawakening"s: night terrors. Usually in stage 4, within 2-3 hours of falling asleep. Why do we sleep? : repair/restoration theory, sleep serves an important recuperative function.
