Psych notes chapter 6 Oct 1st

Psych notes chapter 6 Oct 1st - Psych notes 10/1/09 Chapter...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Psych notes 10/1/09 Chapter 6 consciousness 1. Sleep as a Circadian Rhythm a. Circadian rhythm : cycle of behavior and physiology that repeats about every 24 hours i. Problems often result from disruptions of sleep-wake cycle such as jet lag or changes in work schedule between day or night shifts b. Suprachiasmatic Nucleus (SCN) i. Our internal “biological clock” ii. Initiates sleep or wakefulness iii. Regulates the release of melatonin 2. Functions of sleep a. Extend sleeplessness leads to fatigue, irritability, and inattention b. Some believe non-REM sleep helps restore body and brain for the next day’s activities c. Functions of REM sleep? i. May improve functioning of neurons that use norepinephrine ii. May be at time for developing, checking, and expanding the brain’s nerve connections 3. Dreams and Dreaming a. Some brain activity during sleep is experienced as dreams i. Mostly occurs during REM sleep ii. Despite senselessness, dreams often contain some logic b. Daytime activities seem to have minor influence on dream content c. Lucid Dreaming : sleeper is aware of dreaming while a dream is happening d. Throughout the night, we dream most often during REM sleep, when activity in many brain areas is highest e. Brain Regions active during dreaming i. Attention ii. Complex visual processing iii. Motivation iv. Emotion v. Memory formation vi. Arousal vii. (high-order reasoning is inactive) 4. Dream Theories a. Freud’s Unconscious Wish Fulfillment Theory i. Dreaming is the gratification of unconscious desires and needs
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/07/2011 for the course PSYCH 0010 taught by Professor Tokowitz during the Spring '09 term at Pittsburgh.

Page1 / 4

Psych notes chapter 6 Oct 1st - Psych notes 10/1/09 Chapter...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online