DIVIDED ATTENTION ● Divided attention-focus on more than one task
PROCESSING
●Top-down ●Bottom-up
Top-down processing
●Guided by preexisting knowledge
●Expectancy ●Concept driven ●Schema driven
Bottom-up processing
●Begins with sensory receptors ●Constructs perceptions ●Data driven ●Not influenced by expectations
PERCEPTION
●Process of creating meaningful patterns from raw sensory data
Perceptual Critical Periods ● Blakemore and Cooper (1970)
● Sensory restriction ● Kittens raised without exposure to horizontal lines later had difficulty perceiving horizontal bars.
Müller-Lyer Illusion
Gestalt psychologists ● German ● Early 20th Century ● Noted certain consistencies in the way we integrate bits of sensory stimulation into meaningful whole
● Created rules
Phi Phenomenon- illusion of movement ● http://www.yorku.ca/eye/balls.htm
● light show ● https://www.youtube.com/watch? v=MK712Ky_Fxk&feature=share&list=UU5ZcyVLBHOjL Ez6PATLM4kw&index=2