Memory II & III

CGS 2301 - Spring 25, Jiahui Guo

Attention Theories

• Divided v. Selective

• Broadbent’s Filter Theory

• Deutsch & Deutsch’s Late Selection

• Treisman’s Filter Attenuation Mode

• Lavie’s Perceptual Load Theory

Purpose of Attention

Prevents us from being overwhelmed by our sensory environment

Detection of a Change

Comparing what you’re attending to in the scene to what you have in memory for that location in the scene

Exogenous

Environmentally determined

Endogenous

Self directed toward goal