PSY100: week 5 class notes 9/27/16
PSY100: week 5 class notes 9/27/16 PSY 100
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This 2 page Class Notes was uploaded by Lorren Roberts on Tuesday September 27, 2016. The Class Notes belongs to PSY 100 at Central Michigan University taught by Mark A Deskovitz in Fall 2016. Since its upload, it has received 13 views. For similar materials see Introduction to Psychology in Psychology (PSYC) at Central Michigan University.
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Date Created: 09/27/16
Consciousness Biological and environmental clocks o Circadian rhythm a cycle of biological or psychological processes that vary during the course of a day (roughly 24 hours) Blood pressure, secretion of hormones, mental alertness, pain sensitivity (each have their own rhythm) Controlled by master biological clock o Biological clock or SCN tiny cluster of neurons in the hypothalamus of the brain Suprachiasmatic nucleus (SCN) internal pacemaker that governs the timing of circadian rhythms o External/environmental time cues keeps rhythms synchronized Sunlight/darkness, clocks, schedules When circadian rhythms aren’t synchronized your thinking, concentration, and memory get fuzzy, and you experience physical and mental fatigue, depression or irritability, and disrupted sleep (jet lag) Dreams Dream unfolding sequence of thoughts, perceptions, and emotions during REM sleep that is experienced as a series of reallife events What we dream about o Most dreams tend to be about everyday settings, people, activities, and events o Negative feelings and events are more common than positive ones o Apprehension and fear are most frequently reported dream emotion o Women are more likely to report emotions in their dreams o Men are more likely to report dreams involving physical aggression Nightmare a vivid, frightening and disturbing dream that often wakes the sleeper o Associated with daytime stress, anxiety and emotional difficulties Why we don’t remember dreams o Dreaming happens during REM cycles when your brain can’t get in touch with actual reality can’t process the information to be able to remember Sigmund Freud believed that dreams have 2 components 1. Manifest content dream images themselves 2. Latent content disguised psychological meaning of the dream Activation synthesis model of dreaming the theory that brain activity during sleep produces dream images (activation), which are combined by the brain into a dream story (synthesis) Neurocognitive model of dreaming emphasizes the continuity of waking and dreaming cognition and states that dreaming is like thinking under conditions of reduced sensory input and the absence of voluntary control Hypnosis and meditation Hypnosis a cooperative social interaction in which the hypnotized person responds to the hypnotist’s suggestions with changes in perception, memory, and behavior Effects of hypnosis o Some people experience profound changes in their subjective consciousness o Reported feelings of detachment from bodies, profound relaxation, and sensations of timelessness o People usually talk normally and are fully aware of their surroundings, the suggestions by the hypnotist just seem to happen on their own Hypnosis and memory o Post hypnotic amnesia subject is unable to recall information or events that happened before or during hypnosis Suppressing memories of specific information Usually temporary o Hypermnesia enhancement of memories of past events through hypnotic suggestion Leads to distortions and inaccuracies (false memories) Limits of hypnosis o Not everyone is equally susceptible o You cannot be hypnotized against your will o It cannot make you perform behaviors that go against your morals or values o It cannot make you stronger than your physical capabilities Can enhance physical skills by increasing selfconfidence and concentration Meditation sustained concentration techniques that relax, focus attention, and heighten awareness Effects of meditation o Improves concentration, perceptual discrimination, and attention o Increases working memory o Improves emotional control and wellbeing o Reduces stress and minimizes its physical effects o Not everyone can meditate Psychoactive drugs Chemical substances that alters consciousness, perception, mood, and behavior The way you take it has different impacts Depressants drugs that depress or inhibit brain activity o Alcohol use/abuse/dependence
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