?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Exorcizing+the+Ghost+of+Mental+Imagery&rft.creator=Harnad%2C+Stevan&rft.subject=Perceptual+Cognitive+Psychology&rft.description=To+summarize%2C+if+we+speak+only+about+the+information+available+in+an+object+or%0A+++++++++++++++++++++++++++++++a+data+structure+--+and+forget+for+now+that+we+have+mental+lives+at+all%2C%0A+++++++++++++++++++++++++++++++concerning+ourselves+only+with+our+performance+capacities+--+it+seems+clear%0A+++++++++++++++++++++++++++++++that+array+representations+are+merely+another+form+of+symbolic+information.%0A+++++++++++++++++++++++++++++++Are+they+likely+to+be+the+only+form+of+internal+representation%2C+or+the+main+one%2C%0A+++++++++++++++++++++++++++++++that+explains+our+visual+and+spatial+capacities%3F+I+think+not%3B+I+think+tasks+like%0A+++++++++++++++++++++++++++++++Shepard+%26+Cooper's+(1982)+%60%60mental+rotation''+may+be+better+accounted+for+by%0A+++++++++++++++++++++++++++++++internal+representations+that+do+not+turn+transducer+projections+into+numbers%0A+++++++++++++++++++++++++++++++at+all%2C+but+preserve+them+in+analog+form%2C+one+that+is+physically+invertible+by+an%0A+++++++++++++++++++++++++++++++analog+transformation+that+is+one-to-one+with+the+transducer+projection+(to%0A+++++++++++++++++++++++++++++++some+subsensory+and+subcognitive+level+of+neural+granularity).+In+other+words%2C%0A+++++++++++++++++++++++++++++++I+agree+with+Glasgow+that+it+is+a+matter+of+preserving+information+in+the+internal%0A+++++++++++++++++++++++++++++++representation%2C+but+I+am+not+persuaded+that+arrays+are+the+form+the+preserved%0A+++++++++++++++++++++++++++++++information+takes+(see+Camberlain+%26+Barlow+1982%3B+Jeannerod+1994).&rft.date=1993&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F1590%2F1%2Fharnad93.imagery.html&rft.identifier=++Harnad%2C+Stevan++(1993)+Exorcizing+the+Ghost+of+Mental+Imagery.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F1590%2F