title: The role of perceptual bias in complex figure recall.
abstract: Several studies have demonstrated that constructional and organizational abilities affect how well visual stimuli are remembered. The purpose of the present study was to determine whether perceptual bias, independent of constructional ability, influenced visual memory performance. Participants were 118 normal adults who were administered the Rey-Osterrieth Complex Figure (ROCF) and a similarity judgement task requiring then to decide which of two hierarchically constructed comparison figures most resemble a standard figure. The initial steps of a multiple regression analysis indicated that delayed recall of the ROCF was directly related to copy accuracy, inversely related to age, and better in males than females. In the final step of the regression model, performance on the similarity judgement task also predicted ROCF recall, with a more global perceptual bias predicting better recall. Results indicate that even when copy accuracy and demographic variables are accounted for, components of visual perception influence how well visual stimuli are encoded and recalled. Findings are consistent with research correlating global processing and spatial ability, and suggest that in addition to copy ability and organization, visuoperceptual bias must be considered as a moderator variable when interpreting performance as a visual memory test.
authors.affiliation: San Francisco Medical Center, University of California, San Francisco, CA 94143, USA. kramer@itsa.ucsf.edu
authors.forename: Joel H
authors.initials: JH
authors.lastname: Kramer
authors.forename: Anne M
authors.initials: AM
authors.lastname: Wells
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D015982:Bias; D003710:Demography; D005260:Female; D006801:Humans; D008297:Male; D011939:Mental Recall / Q000502:physiology*; D008875:Middle Aged; D009483:Neuropsychological Tests; D010364:Pattern Recognition, Visual / Q000502:physiology*; D010775:Photic Stimulation; D011340:Problem Solving / Q000502:physiology*; D012044:Regression Analysis; D012737:Sex Factors