Consciousness Ch 3
Consciousness, modern psychologists believe, is an awareness of ourselves and our environment. Forms of Consciousness Bill Ling/ Digital Vision/ Getty Images Christine Brune Stuart Franklin/ Magnum Photos AP Photo/ Ricardo Mazalan
Selective Attention
Take this attention test 8U2Mvo
Inattentional Blindness Daniel Simons, University of Illinois
Another attention test how-change-blindness-works-simple- tests-show-that-humans-tend-to-be- clueless-about-very-large-changes/
Change Blindness Change blindness is a form of inattentional blindness BgTWg © 1998 Psychonomic Society Inc. Image provided courtesy of Daniel J. Simmons.
Cocktail-party phenomenon
Sleep & Dreams
Biological Rhythms and Sleep Circadian Rhythms occur on a 24-hour cycle and include sleep and wakefulness. What other cues can affect our circadian rhythm?
Measuring Sleep Hank Morgan/ Rainbow
Sleep Stages
REM Sleep A person during this sleep exhibits Rapid Eye Movements (REM) and reports vivid dreams.
Sleep cycles
How much sleep do we need?
Sleep Deprivation 1.Fatigue. 2.Impaired concentration. 3.Emotional irritability. 4.Depressed immune system. 5.Greater vulnerability to disease. 6.Impaired creativity. 7.Impaired physical strength and endurance.
Why do we need sleep? 1.Sleep Protects 2.Sleep Helps us Recover 3.Sleep Helps us Remember 4.Sleep may play a role in the growth process
1.Insomnia How can we sleep better? 2.Narcolepsy 3.Sleep apnea Sleep Disorders
Children are most prone to: Night terrors Sleepwalking Sleeptalking Sleep Disorders
The Function and Meaning of Dreams Unconscious Wish Fulfillment Theory Dreams-for-Survival Theory Activation-Synthesis Theory d-dreams.html
Review questions
Carrie is in a pretty deep stage of sleep? Which one of these stages is she in? A. stage 1 B. stage 2 C. stage 3 D. REM
Alex complains of chronic insomnia. He has had a medical check-up and is healthy, yet he has difficulty falling asleep. What is the best advice you can give in this situation? A. Have a glass of wine right before bedtime. B. Go to the doctor and get a prescription for sleeping pills. C. Go to bed at the same time every evening and wake up at the same time in the morning. D. Do some strenuous exercise right before going to bed.
Your young child wakes up a few nights per month seemingly in a panic. She sits up in bed screaming and crying. You rush in to calm her and to see what is happening. The child usually returns to sleep and doesn’t remember this happening at all. What is the best explanation for this behavior? A. She may be exhibiting symptoms of early onset epilepsy. B. She has excessive anxiety during the day. C. She has too much sugar in her diet. D. She is probably experiencing night terrors, a fairly common event in early childhood.