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PSY100: week 5 class notes 9/27/16

by: Lorren Roberts

PSY100: week 5 class notes 9/27/16 PSY 100

Marketplace > Central Michigan University > Psychology (PSYC) > PSY 100 > PSY100 week 5 class notes 9 27 16
Lorren Roberts

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About this Document

Chapter 4 continued
Introduction to Psychology
Mark A Deskovitz
Class Notes
Intro to Psychology, Psychology
25 ?




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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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