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Unit 3: Cognitive Psychology Attention   Spring 2010 Lecture 8
Learning outcomes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The module team ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Recommended textbooks ,[object Object],[object Object],[object Object],[object Object],[object Object]
Components of the module ,[object Object],[object Object],[object Object],[object Object],[object Object]
What is Cognitive Psychology ,[object Object],As part of the larger field of cognitive science, this branch of psychology is related to other disciplines including neuroscience, philosophy, and linguistics.
Attention Topics ,[object Object],[object Object],[object Object],[object Object],[object Object]
The Role of Attention ,[object Object],[object Object],[object Object]
The Role of Attention ,[object Object],[object Object]
The Role of Attention ,[object Object],[object Object],[object Object],[object Object]
The Role of Attention ,[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Visual Attention
Pop-out (texture) + V V V V V V V V V V V T V V V V V
Pop-out (more texture) + V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V T
Pop-out (harder texture) + V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V Y
Pop-out (color) + V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V
Pop-out (color + texture) + T V V V V V V V V V T V V V V V T V V T V T V V V T T T V T V
Pop-out (layout) + T T T T T T T T   T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T
Visual Pop-Out: RT does not increase with Display Size Find the blue “S” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
No Visual Pop-Out: RT increases with Display Size Find the green “T” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],Visual Attention
Auditory Attention ,[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],Auditory Attention
[object Object],[object Object],[object Object],[object Object],[object Object],Auditory Attention
Demonstrating Selective Attention ,[object Object],[object Object]
Theories of Selective Attention ,[object Object],[object Object],[object Object]
Theories of Selective Attention ,[object Object],[object Object],[object Object]
1. Early Selective Attention  (Broadbent, 1958) ,[object Object],Filter based on physical characteristics of signal: location of source; pitch; loudness; speed. Only filtered material is analysed for meaning.
[object Object],[object Object],1. Early Selective Attention  (Broadbent, 1958)
2. Attenuation theory (Treisman, 1960) ,[object Object],[object Object],[object Object]
2. Attenuation theory (Treisman, 1960) ,[object Object],[object Object],[object Object]
3. Late selection theory (Deutsch & Deutsch, 1963) ,[object Object],[object Object],Sensory inputs are processed completely & analysed in terms of current importance.  Important inputs are consciously “perceived”.
A Disorder of Attention: Hemineglect ,[object Object],[object Object]
Drawings copied by a patient with contralateral neglect
Attention-Deficit / Hyperactivity Disorder Impulsiveness Inattention Combined type Hyperactive- Impulsive type Inattentive   type Hyperactivity 61% 30% 9%
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Attention-Deficit / Hyperactivity Disorder
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object]

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