PSYC3318 Lecture Notes - Lecture 1: Visual Acuity, Pixilation, Absolute Threshold

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Different animals have different means of detecting light- some insects can detect polarised light. Eagles have extremely high visual acuity- 2. 3 times human levels. Owls system designed to work under low light levels. While the visual system likes change it sometimes chooses a global interpretation over a local interpretation. Adv- recognized percets are composed of sub elements. Adv- recognized combination of elements are automatic and can create new sstimulus properties. Adv- visual system has to construct an internal representation of a scene because all critical info is not available. Adv- link between stimulation from environment and perception was direct. Disadv- highlighted some important environmental cues but drastically underestimated difficultly of image interpretation and multi staged process involved. Adv- extension of constructivism focusing logical steps to detect and interpret sensory input. Disadv- sensible- so(cid:373)eti(cid:373)es too spe(cid:272)ifi(cid:272) a(cid:374)d (cid:449)o(cid:374)"t apply to per(cid:272)eptio(cid:374) Adv- study of consciousness often first things starts research area.

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