Textbook Notes (362,879)
Canada (158,081)
York University (12,350)
Psychology (3,541)
PSYC 1010 (1,075)
Chapter 5

Lecture: Chapter 5 States of Consciousness Lecture notes including some notes from the film!

4 Pages
Unlock Document

York University
PSYC 1010
Rebecca Jubis

PSYCH 1010 November 25, 2010 Lecture: Chapter 5 States of Consciousness Film notes below 4. Arousal and Cost/Reward Analysis - Arousal refers to physiological arousal - Where the body is ready to tackle and deal with the emergency (reactions) - Extreme arousal is very uncomfortable - To reduce the arousal is to HELP the individual RIGHT AWAY - People don’t usually do this because of the cost and reward analysis - “Do I help or not?” - Half the time were not aware that were doing this - Weighing the “cost and benefit” of the situation Took 3 factors and put it together to form a model: Decide that it is one's personal responsibility to act Interpret the event as an emergency Decide that it is not Notice an event one's responsibility to act (no helping Interpret the event action) as an nonemergency (no helping action)  Connects to acting out (above) -Direct intervention  Connects to no acting out (above)-Indirect intervention (notifying others) EEG: - 1931 development of EEG (Electroencephalogram) - Studying sleep - Electrodes placed at different parts of the scalp and the EEG picks up that activity that occurs in the brain - Tells us about the different stages of sleep (brain waves) - 2 characteristics of brain waves: 1. AMPLITUDE, 2. WAVE FREQUENCY - Amplitude: refers to height (volts) - Wave frequency refers to cycle per second (hertz) - The waves look different from each other - Waves don’t change drastically (gradual transition) - Stage 1 sleep • Theta Waves • Hypnic jerks • Hypnagogic State (feels like your falling) Stage 2 • Sleep spindle Stage 3 & 4 • SWS (Slow Wave Sleep)ep • Brain waves are similiar and is difficult to differentiate them (sleep 3 & 4) REM (Rapid Eye Movements) Sleep (dreaming) • Difficult to awaken the person and motor activity (physical movement) is virtually eliminated • Breathing is choppy and heart rate is irregular - NREM (Non REM sleep): stage 1,2,3,4 - REM sleep is also referred to PARADOXICAL sleep - Sleep walking occurs in stage 4 sleep (deepest sleep) Parasomnia: Rare activity that occurs whilst others are sleeping. E.g. eating, having sex, etc. REM SLEEP: - Typical night: every 90 mins we go through a dream period - Stage 4 sleep occurs early in the night (between the 1 -3 hrs of sleep) th - Most REM sleep occurs avg. 7 hr of sleep (just before awakening) - Most people cannot remember their dreams in the earlier parts of the night The amount of time we spend dreaming: Stage 1: 5% Stage 2: 50% Stage 3: 6% Stage 4: 14% REM: 25% Night Terror: Happen in little bits (3-8 yrs old); temporary developmental thing some kids go through. E.g. children will wake up and scream in the middle of
More Less

Related notes for PSYC 1010

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.