cognitive psych lecture 3

cognitive psych lecture 3 - Cognitive Psychology January...

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Cognitive Psychology 1/6/11 9:24 AM January 18, 2011 Lecture 3 – Perception & Pattern Recognition, Part I Objectives : (1.) To understand the information-processing approach and the “standard theory” of human cognition, including the basic characteristics of its various components (e.g., the different types of long-term memory). (2.) To understand the logic behind experiments like those conducted by Sperling (1960), and how the results of these experiments can be used to understand the properties (e.g., capacity, duration, etc.) of sensory memory. Notes : - Modal model or “standard theory” (Atkinson & Shiffrin, 1981) Modal refers to mode (most common observation in set) Standard theory that cognitive psychologists use to understand cognition o Better described as a metatheory – can’t be tested Sensation ! Perception (What cognitive psychologists are interested in) ! Sensory memory systems (Iconic, echoic) ! Short- term memory (very limited, connected to attention/consciousness; Short term store, primary memory, working memory) ! Control processes (rehearsal, operators) ! Long-term memory (encoding, retrieval; Declarative memory) ! STM ! Motor systems o To get information from STM to LTM, use encoding, to get it from LTM to STM use retrieval - Sensory memory – Possibly different sensory system for each sense iconic memory – The short-duration memory system specialized for holding vidusal information, lasting no more than about 250-500
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cognitive psych lecture 3 - Cognitive Psychology January...

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