1 / 16

States of consciousness

States of consciousness. Waking, Sleep, Dreaming. What is consciousness?. Root of psychology as a science State of awareness. Waking conscious. Awareness of self and environment Active thought Selective attention Inattentional blindness Change blindness Mindsight.

oshin
Download Presentation

States of consciousness

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. States of consciousness Waking, Sleep, Dreaming

  2. What is consciousness? • Root of psychology as a science • State of awareness

  3. Waking conscious • Awareness of self and environment • Active thought • Selective attention • Inattentional blindness • Change blindness • Mindsight

  4. Levels of information processing • Conscious awareness • Unconscious processing • Priming

  5. Alterations in consciousness • Deviation from normal alertness • Why do human alter their conscious?

  6. Biological rhythms • Rest-wake cycles • Circadian rhythms • Sleep

  7. Sleep stages • Stage 1 • Stage 2 • Stage 3 • Stage 4 • REM sleep

  8. Awake Sleep stages 1 2 3 REM 4 0 1 2 3 4 5 6 7 Hours of sleep Sleep stages throughout the night

  9. Why do we sleep? • Non-REM sleep • Survival • Rest • REM sleep • Brain development • Memory consolidation

  10. Sleep loss • Teenagers today get nearly 2 hours less sleep every night than teens 80 years ago. • 2001 Gallup poll: 61% of men and 47% of women said they get enough sleep • 2005 study: life satisfaction correlated with getting enough sleep • Recurrent insomnia affects 10-15% of adults • 1 in 20 has sleep apnea

  11. What is “enough” sleep? • Varies from person to person • Subjective evaluation

  12. Insomnia • Persistent inability to fall asleep or stay asleep • Subjective • Subjects overestimate time awake • Drug-dependent insomnia

  13. Narcolepsy • Neurological disorder characterized by sleep at inappropriate times • Sleep attacks • Cataplexy • Treatments

  14. Sleep apnea • Inability to breathe while sleeping • Caused by airway obstruction • Sleeper wakes, gasping for air • Treatment

  15. Night terrors • Disorder marked by heightened arousal, activity and fear • Children • Slow-wave sleep

  16. Dreams • REM vs. daydreams • Dream content • Theoretical reasons for dreaming • Wish fulfillment • Activation-synthesis • Memory consolidation

More Related