Consciousness Sleep Dream and Hypnosis Consciousness Clicker Q Do animals experience consciousness in the same way as people Yes or No no right or wrong answer in class What is consciousness Consciousness is the awareness of complex private processes such as perception thinking and remembering cid 127 Waking consciousness Your thoughts feelings and sensations are clear and organized You feel alert Altered state of consciousness Your thoughts may be fuzzy and disorganized taking bizarre turns You may feel less alert or more alert Altered State of Consciousness Divided Consciousness Daydreaming Sleep Hypnosis cid 127 Meditation Divided Consciousness Daydreaming Sleep Drugs Not all drugs alter your state of consciousness EX Non drowsy will not alter your consciousness One part of your consciousness is doing one thing and another part of your consciousness is doing another EX When driving to school you don t remember the drive because along the way you were thinking about something else Not aware of what is going on around you because your consciousness is attending to something else EX Sitting in class thinking about something else and missing what the teacher is saying Occurs in every type of mammal and even some cold blooded animals Prey animals sleep less and predators sleep a lot more Sleep is one of our body s biological rhythms Biological Rhythms Infradian Occur over a period of time greater than 24 hours EX Menstrual Cycle typically every 28 days cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 Ultradian Occur more than once in a 24 hour cycle Most confined to either day or night EX Eating you do this more than one time a day Individual stages of sleep in an ultradian cycle Circadian Variation occurs in roughly a 24 hour period EX Sleep and body temperature Clicker Q Our sleep wake cycle is an example of which type of biological rhythm Circadian What happens when we go without sleep Your sleep patterns change over your lifetime Theories of Sleep Restorative Theory of Sleep we sleep for health reasons Adaptive Theory of Sleep sleep is a product of evolution Parts of the brain involved in sleep Hypothalamus Suprachiasmatic Nucleus SCN This is the bodies internal clock cid 127 Microsleeps Brief periods of sleep lasting for a matter of seconds May not even know you were asleep dangerous when operating machinery or a car Sleep Deprivation Symptoms trembling hands inattention staring off into space droopy eyelids general discomfort depression irritability etc cid 127 Melatonin Hormone released by the body when there is not a whole lot of light Blue light is what melatonin light responds to this is what our phones computers etc have Serotonin Throughout the day your body produces more and more of this the more serotonin you have the sleepier you become Body Temperature When you re warm you are more alert and when you re cold the body is more sleepy Types of Sleep Two Kinds of Sleep REM sleep Rapid Eye Movement 1 stage of REM sleep Non REM sleep 4 stages of Non REM sleep Stages of Sleep 5 stages total cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 Electroencephalograph Helps determine what sleep someone is beta waves what we display when we are awake alpha waves what we display when we are relaxed and calm and falling asleep theta waves what we display after we fall asleep deep relaxation and meditation mental imagery delta waves what we display the deeper and deeper we slip into sleep not much activity Stage 01 Light Sleep Hypnogogic images or hallucinations Hypnic jerk when we jump or jerk when we start to fall asleep Sleep spindles sudden bursts of activity K Complex strange bursts of activity Brain shows 20 50 of delta waves Stage 2 Stage 3 Stage 4 Final Stage Brain shows 50 or more of delta waves Really hard to wake someone up After stage 4 a person experiences stage 3 and stage 2 again and then REM sleep Dreams occur during REM sleep REM paralysis no body movement REM rebound if you keep getting woke up your body tries to get into REM sleep faster and faster There isn t a specific name for waves occurring during REM sleep Look like beta waves but are NOT the same The number of these you experience is said to correlate with memory consolidation how much you remember the next day Sleep Disorders Nightmares REM Behavior Disorder cid 127 Middle Aged Men REM paralysis Sleep Walking Somnambulism People can t control their actions have broken peoples bones killed spouses or punched through windows This is why our body is supposed to have cid 127 Occurs during the deep stages of sleep which is why you shouldn t wake up a sleepwalker cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 cid 127 Night Terrors Insomnia Sleep Apnea Narcolepsy Deep stage of sleep where you don t know what is going on but you start screaming extremely loud cid 127 Occurs in older adults have trouble breathing so they wake up in the middle of the night but don t remember waking up Fall asleep at random times of the day experience REM paralysis while awake Nothing you can do except wake for chemicals to wear off Sleep Related Eating Disorder Eating while asleep which can result in weight gain Hypersomnia Sleeping a lot and always being tired People who sleep a lot have shorter life spans Periodic Limb Movement Disorder People who have discomfort in their legs and can t fall asleep at night Clicker Q You wake up one morning remembering a vivid dream about an alligator terrorizing LSU What stage of sleep did the dream occur in Jet Lag Period of discomfort and inefficiency while your internal clock is out of phase with you new surroundings Didn t happen until we had airplanes which REM sleep allowed us to jump time zones quickly Easier to adjust if going west go to bed later Dreams Freud s ideas cid 127 Manifest content cid 127 What literally happened Latent Contentn The meaning of what literally happened Hypnosis False Fact or Myth Portrayed in books movies and TV that this is true Lucid Dreaming when you can control what you re dreaming about Used more frequently for people with post traumatic stress disorder During REM sleep your sleep waves are even more similar to beta waves than normal REM sleep Clicker Q When a person has been hypnotized they can be forced to do anything True or False cid 127 cid 127 cid 127 cid 127 cid 127 cid
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