Introduction to Cognitive Psychology - Department of Psychological ...

Prof. Greg Francis 8/16/11Other aspects of STM!! At about the same time, another studyindicated important characteristics ofphonological and visuo-spatial systems!! Brooks (1968)!! two types of tasks (visuo-spatial and phonological)!! two types of responses (visuo-spatial andphonological)!! Identifies two types of systems that arerelatively separate!! A complicated experiment!! Part 1: spatial mental task(diagrams)!! visual imagerySeparate systems!! classify corners (top or bottomcorner?)!! “yes” if top or bottom!! “no” if not top or bottomFPurdue UniversityPurdue University!! Part 2: verbal mentaltask!!read sentenceSeparate systems!!categorize words (nounor not?Purdue UniversityA bird inthe hand isnot in thebush.!! Either!!verbally!!spatiallyTwo response typesYES NOYES NONO YESYES NONO YESPurdue Universityno, yes, no,no, yes, no,...Results!! Measure time to finish mental task for eachresponse type!! diagrams -- pointing!! sentence -- pointing!! diagrams -- verbal!! sentence -- verbal!! ResultsResults!! when you have to respond by pointing, it is easier towork with sentence information than diagram information!! when you have to respond verbally, it is easier to workwith diagram information than sentence informationResponse taskPointing"Verbal"Mental taskDiagrams"28.2s"11.3s"Sentences"9.8s"13.8s"Purdue UniversityPurdue UniversityPSY 200: Intro. to Cognitive Psychology 4