Psychology 2115A/B Lecture Notes - Lecture 18: Amay, 7 Letters

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

Document Summary

Physiological limitation - if it is out of the visual array then of course you cant see it. Person who basically founded span of apprehension - sperling - short. The limit of stm (span of stm) was about 7 items. Not much data in his paper - he seemed to really like the number 7 -> but that"s a phenomenon that"s really common term memory limitation. Presented various sized stimuli sets to people (letters = stimulus) screen o o o o o o o o. Presented for a very brief period of time. Recall as many of things as you can that were presented on the. Only went up to 12 in this because he discovered that in this procedure, people could only recall about 5 items -> could barely get over. Give 4 items on the screen -> probably get them all. Beyond 5, things start to change, cant recall them all -> only 5.