DOC PREVIEW
ISU PSY 110 - Consciousness
Type Lecture Note
Pages 3

This preview shows page 1 out of 3 pages.

Save
View full document
View full document
Premium Document
Do you want full access? Go Premium and unlock all 3 pages.
Access to all documents
Download any document
Ad free experience
Premium Document
Do you want full access? Go Premium and unlock all 3 pages.
Access to all documents
Download any document
Ad free experience

Unformatted text preview:

PSY 110 1st Edition Lecture 22 Outline of Last Lecture I. Insight TherapiesII. Relationship TherapiesIII. Biomedical TherapiesOutline of Current Lecture I. ConsciousnessCurrent LectureConsciousness: Everything of which we are aware at any given timeCircadian Rhythms: Regular fluctuation from high to low points of certain bodily functions and behaviorswithin a 24-hour cycle- Regulate all vital life functions- Cycle of sleep and wakefulness- More than 100 bodily functions and behaviors follow circadian rhythms- The ebb and flow of consciousness- Part biological, part environmental- Three important components of circadian rhythm:o Body temperatureo Lighto AlertnessSuprachiasmatic Nucleus (SCN): Body’s biological alarm clock- Structure in the hypothalamus- Controls timing of circadian rhythms- Signals pineal gland to secrete or suppress melatoninSubjective Night: Time during a 24-hour period when the biological alarm clock tells a person to go to sleepRestorative Theory of Sleep: Function of sleep is to restore body and mind; restoration of energy and consolidation of memory occur during sleepThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Circadian Theory of Sleep: Sleep evolved to keep humans out of harm’s way during the night; also known as evolutionary or adaptive theoryStage 1 Sleep: Transition from waking to sleeping; irregular waves with occasional alpha wavesStage 2 Sleep: Transition from light to deeper sleep; sleep spindles (waves with alternating periods of calm and flashes of intense activity) appearStage 3 Sleep: Deeper sleep; slow-wave sleep begins when EEG shows that 20% of brain waves are delta wavesStage 4 Sleep: Deepest sleep; stage 4 sleep begins when 50% of waves are delta wavesREM: Rapid eye movement sleep- Brain is highly active- Epinephrine is released into the systemo BP riseso Heart rate and respiration become faster and less regular- Most vivid dreams occur during REM- REM sleep may be critical to consolidation of memories- REM rebound: increase in REM sleep after REM deprivationVariations in Sleep:- Infants/Young Childreno Sleep the longesto Have largest percentage of REM and slow-wave sleepo Most erratic sleep patterns- Children from 6 to pubertyo Sleep besto Most consistent sleepers and wakers- Adolescentso Sleep patterns influenced by scheduleso Insufficient sleep may contribute to poor school performance- Older Adultso More difficulty falling asleep; sleep more lightlyo Spend less time asleep while lying in bedParasomnia: Behaviors and physiological states that normally occur only in the waking state take place during sleepEX) sleepwalking  somnambulism, sleeptalking  somniloquyDyssomnia: Sleep disorder in which the timing, quantity, or quality of sleep is impairedEX) narcolepsy, sleep apneaREM Dreams: More visual, vivid, and emotional than NREM dreams; have a story-like qualityNREM Dreams: Occur during NREM sleep; less frequent and memorable than REM dreamsLucid Dreaming: Dreamer is aware he/she is dreaming; set of techniques that enable dreamers to control the content of their dreamsManifest Content: Content of a dream as recalled by the dreamerLatent Content: The underlying meaning of a dreamCognitive Theory: Dreaming is thinking while we are asleepActivation-Synthesis Theory: Dreams are the brain’s attempt to make sense of the random firing of braincells during REM sleepEvolutionary Theory: Vivid REM dreams enable people to rehearse skills needed to deal with threatening eventsControlled Substances: Approved for medical useIllicit Substances: Illegal drugsSubstance Abuse: Continued use of a substance that negatively affects an individual’s work, education, and social relationshipsDrug Tolerance: Becomes less affected by drug, needs more for same effectWithdrawal Symptoms: Physical and psychological symptoms that arise when use is discontinuedStimulants: Speed up activity in the central nervous systemDepressants: Decrease activity in the central nervous systemHallucinogens: Alter and distort perceptions of time and


View Full Document
Download Consciousness
Our administrator received your request to download this document. We will send you the file to your email shortly.
Loading Unlocking...
Login

Join to view Consciousness and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Consciousness 2 2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?