Chapter 6

Chapter 6 - Chapter 6: States of Consciousness Ken Parks...

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Chapter 6: States of Consciousness Ken Parks’ killing spree: what is the cause of it? Albert Hoffman discovered the alterations in consciousness that can be produced  by a does of lysergic acid diethylamide (LSD) o Sample was no larger than the tip of a pin State of Consciousness : pattern of subjective experience, a way of  experiencing internal and external events Altered State of Consciousness : variations from our normal waking state The Puzzle of Consciousness Consciousness : moment to moment awareness of ourselves and our  environment o Characteristics of Consciousness: Subjective and Private Dynamic (and ever-changing) Self-reflective and central to our sense of self Intimately connected with the process of Selective attention Measuring States of consciousness o Self-report o Physiological Measures: EEG o Behavioural Methods: Ex. Performance on the rouge test Levels of Consciousness: Psychodynamic an Cognitive Perspectives o Consciousness contains thoughts, perceptions and other mental events  of which we are currently aware o Preconscious mental events are outside of our current awareness, but  can easily be recalled under certain conditions o Unconscious Mental Events: cannot be brought into conscious awareness  under ordinary circumstances The Cognitive Unconscious Controlled vs. Automatic Processing o Controlled (Effortful) Processing : the voluntary use of attention and  conscious effort Requires effort and therefore is slower than automatic processing,  but is more flexible and open to change o Automatic Processing : can be performed with little or no conscious  effort Reduces chances of finding new ways to approach problems
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Divided Attention : the ability to perform more than one activity at the same time The Emotional Unconscious Nonconscious memory influences behaviour o Swiss Psychologist Edouard Claparede and a hand prick The Modular Mind Mind is a collection of largely separate but interacting modules Modules process information in parallel – simultaneously and largely  independently Output from one module can provide input for another o Ex. When information recalled from memory becomes input Circadian Rhythms: Our Daily Biological Clocks Circadian Rhythms : Latin circa – around, dia – day Keeping Time: Brain and Environment Suprachiasmatic Nuclei (SCN) : located in the hypothalamus, the brain’s clock o Neurons link to tiny pineal gland which secretes  melatonin  (hormone that  has a relaxing effect on the body) o At night, SCN neurons are inactive, allowing melatonin levels to increase  and promote relaxation and sleepiness
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This note was uploaded on 04/04/2009 for the course PSYCH 1000 taught by Professor Atkinson during the Spring '09 term at UWO.

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Chapter 6 - Chapter 6: States of Consciousness Ken Parks...

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