Chapter6consciousness幻灯片.pptVIP

Chapter 5 Mind, Consciousness, and Alternate States The Contents of Consciousness The definition of consciousness Awareness and Consciousness Studying the contents of consciousness The definition of consciousness The term consciousness is ambiguous Consciousness a state of awareness of internal events and the external environment. What is content of consciousness? The contents of consciousness －all the experineces you are consciously aware of a particular time Awareness of external events Awareness of internal sensations Awareness of your self The levels of awareness Nonconscious processes非意识过程 Non-conscious processes are bodily activities that rarely impinge on consciousness,such as digestion, regulation of blood pressure, and breathing. The types of awareness Preconscious memories are those that become accessible to consciousness only after something has called attention to them. 只有在你的注意被吸引过去以后才能到达意识的记忆称为前意识记忆 The types of awareness Unconscious - most fully elaborated by Freud, refers to mental processes that cannot be conscious and contain forbidden, traumatic thoughts The types of awareness Unattended information 未被注意的信息 refers to stimuli that are not the focus of attention。 At any given time, you are surrounded by a vast amount of stimulation.you can focus your attention only an a small part of it. The sleep cycle Sleep Research Tools Electroencephalogram (EEG)脑电图:which records electrical brain wave activity, provided a methodological breakthrough in sleep research. The awake stages of sleep Fully awake: beta waves (small and fast) Drowsy State a twilight state朦胧状态that is neither daydreaming or sleeping that occurs as you begin to fall asleep but are not yet sleeping. Alpha Waves (slow waves of a relaxed, awake brain) The stages of sleep The NREM stages of sleep Non-REM (NREM) Sleep: Occurs during stages 1, 2, 3, and 4; no rapid eye movement occurs. (REM: Rapid eye movement) 4 stages of sleep based on EEG measures of brainwave activity d