Chapter 5 Notes
Chapter 5 Notes PSY 1010
Popular in General Psychology
Popular in Psychology (PSYC)
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This 4 page Class Notes was uploaded by Shannan Dillen on Thursday September 29, 2016. The Class Notes belongs to PSY 1010 at Ohio University taught by Sandra Hoyt in Fall 2016. Since its upload, it has received 3 views. For similar materials see General Psychology in Psychology (PSYC) at Ohio University.
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Date Created: 09/29/16
Chapter 5: Consciousness What you are aware of at any given moment o Conscious processing can be effortful (controlled) or automatic o We are not always aware of everything we are experiencing Everyday lapses in awareness o Distraction o Inattentional Blindness Failing to see an object/person when our attention is focused elsewhere (paying too much attention) o Change Blindness Failing to notice changes in the environment (paying too little attention) Sleep o If you live 75 years, you will have slept for 25 years worth of that time o 5 years of those 25 will consist of just dreaming o Why do we sleep? Restorative Theory – allows you to heal, replenish things like neurotransmitters and cells Adaptive Theory – sleep at night because more beneficial safe to sleep then o Do we need to sleep? Sleep deprivation Lack of attention Exhaustion Feeling sick The Sleep Cycle – 90 Minutes Determined by brain waves o Awake – Beta waves o Drowsy – Alpha waves o Stage 1 – Theta waves Easily woken up o Stage 2 – Theta waves Sleep spindles Quick changes in neural firing Body jerks o Stage 3 – Delta waves Body temperature drops Slow heart rate “mini hibernation” o Stage 4 – Slow Delta waves Deepest stage of sleep Difficult to wake up o REM – similar to Beta waves Rapid eye movement Dreaming Body temp rises Paralysis Night terrors Dreaming Why do we dream? Psychodynamic Theory – the unconscious mind plays an important role in dreaming o Sex and death o Freud was a “psychologist” Manifest Content o The literal content within a dream Latent Content o The underlying meaning Activation-Synthesis Theory – dreams are the result of random neural firing Computer Model Theory – dreams are the result of the brain processing information gathered throughout the recent day The Sensory Perspective – recent sensory experiences are being replayed Altered States of Consciousness Hypnosis o State of increased relaxation and focus of mind, suggestibility is increased Two step process o Induce hypnotic state Quiet, comfy, relaxed Concentrate – focus mind on something o Provide suggestions Ex: “hand is as light as a balloon” – hand rises How powerful is hypnosis? o Can everyone be hypnotized? o Can you make people do whatever you want? No – can’t make a person go against their morals What are the uses of hypnosis? o Treatment for disorders OCD, anxiety, PTSD o Can help people remember things BUT – false memories – people can remember things that didn’t actually happen o Breaking habits o Overcoming fears o Pain relief Drugs o Tolerance Keep taking more and more to get same effect o Physical dependence Withdrawal symptoms Physically negative effects on body Brain physically needs it o Psychological dependence Mentally and emotionally need it o Narcotics (opiates: morphine, heroin) Euphoria Decreased inhibitions Reduced reaction time Can definitely build up tolerance Physical and psychological dependence o Sedatives (barbiturates and alcohol) Increase mood swings Reduced inhibitions Euphoria Can build up tolerance Physical and psychological dependence o Stimulants (caffeine, nicotine, amphetamines, cocaine) Can build up tolerance Physical and psychological dependence Calming o Hallucinogens (LSD, mescaline) Increase sensory awareness Paranoia Emotional swings Tolerance tends to be very low Low physical dependence Can have psychological dependence o Cannabis (marijuana) Calming – euphoria Heightened senses Low physical dependence Psychological dependence Can build tolerance o Compound drugs (ecstasy) Fall under at least 2 categories Burns out serotonin receptors – never coming back
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