chapter6 - Psychology, Fifth Edition, James S. Nairne...

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Psychology, Fifth Edition, James S. Nairne Chapter 6 Chapter 6 Consciousness
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Psychology, Fifth Edition, James S. Nairne Chapter 6 What’s It For? The Value of Consciousness Setting Priorities for Mental Functioning Sleeping and Dreaming Altering Awareness: Psychoactive Drugs Altering Awareness: Induced States
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Psychology, Fifth Edition, James S. Nairne Chapter 6 Attention: Learning Goals 1. Define attention and discuss its adaptive value. 2. Explain how experiments on dichotic listening can be used to study attention. 3. Describe automaticity and its effects on awareness. 4. Describe such disorders as visual neglect and attention deficit/hyperactivity disorder.
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Psychology, Fifth Edition, James S. Nairne Chapter 6 Attention: Overview Internal processes used to set priorities for mental functioning Selective; reflects limitations on how much the brain can process at one time Prioritizing is adaptive Make best use of limited cognitive resources Focus on most relevant information
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Psychology, Fifth Edition, James S. Nairne Chapter 6 Experiments on Attention: Dichotic Listening Technique where different messages are presented simultaneously to each ear Task: Repeat (shadow) one message, ignore the other Unattended message: Little is remembered However, some processing does occur: Cocktail party effect Treisman’s “ear-switching” experiment
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Psychology, Fifth Edition, James S. Nairne Chapter 6
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Psychology, Fifth Edition, James S. Nairne Chapter 6
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Psychology, Fifth Edition, James S. Nairne Chapter 6 Processing without Attention: Automaticity Fast and effortless processing that requires little or no focused attention When a process is more automatic, the less likely you are to be consciously aware of it Automaticity “frees up” resources for more demanding tasks What about subliminal influences? Controlled studies show little or no effect
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Psychology, Fifth Edition, James S. Nairne Chapter 6 Disorders of Attention: Visual Neglect Tendency to ignore things on one side of the body (usually left) Results from damage to right parietal lobe Symptoms may include: reading only one side of a page, dressing one side of body However: Some information from neglected side does get through
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Psychology, Fifth Edition, James S. Nairne Chapter 6
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Psychology, Fifth Edition, James S. Nairne Chapter 6 Disorders of Attention: Attention Deficit/ Hyperactivity Disorder Disorder marked by difficulties in concentrating, sustaining attention for extended periods Sometimes, but not always, associated with hyperactivity Some debate about definition, brain areas that are involved, overdiagnosis Treatable with medication and/or training
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Psychology, Fifth Edition, James S. Nairne
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chapter6 - Psychology, Fifth Edition, James S. Nairne...

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