PSYC 2000 Chapter : Ch 4 Consciousness Copy
Document Summary
Consciousness: the awareness of the sensations, thoughts, and feelings being experiences at a given moment. Neuroscience & consciousness: waking consciousness, altered state consciousness, consciousness: emerges from the interaction of individual brain events (like a chord that. High level of awareness emerges from different notes: controlled processes, focused attention, high level of concentration, automatic processes, some awareness, but minimal attention required, daydreaming, "autopilot, unconscious, due to head injury, anesthesia, coma. Measuring attention: attention- the internal process people use to set priorities for mental functioning, the resources of the brain and nervous system are limited. Yes, it will be hard to get back on track and you will feel jet lagged. Rhythm of sleep: circadian rhythms occur on a 24 hour cycle and include sleep and wakefulness, light triggers the suprachiasmatic nucleus to decrease melatonin from pineal gland and increase it at night fall. Sleep deprivation: effects of sleep loss, fatigue impaired concentration immune suppression irritability, slowed performance (accidents)
