Psychology 2115A/B Lecture Notes - Lecture 12: Railways Act 1921, Iconic Memory, Interstimulus Interval

• School: Western University
• Department: Psychology
• Course: Psychology 2115A/B
• Professor: Stephen Lupker

Document Summary

Object (form) perception (and direction (space) perception cont"d) Sound shadow- as the sound waves go around to get to the other ear, it will lose intensity: 2. ****the two above cues" usefulness are affected by the frequency of the sounds. High frequency sounds, the waves are small, so you get a much bigger sound shadow out of a high frequency wave (they don"t bend around the head as well). Low frequency sounds bend around the head much better so less useful for sound shadow. Phase differences nd low frequency sounds much more useful. High frequency sounds much more ambiguous in difference, while the low frequency sound is a much more useful phase difference cue because the difference btwn the two phases is less ambiguous. Stevens"- 1984- published paper with newman, was able to independently vary the usefulness of the cues. Was able to show the above two points: 3.