The effect of study time on priming possible and impossible figures in the object decision test

Author(s): Carrasco, M.

Journal/Book: Psicothema. 1999; 11: Ildefonso S. Del Rio, 4-1 B, 33001 Oviedo, Spain. Colegio Oficial De Psicologos De Asturias. 801-813.

Abstract: Previous research demonstrated object decision priming for possible, but net impossible three-dimensional objects (e.g., Schacter et al. 1990; 1991). Subsequent research by Carrasco and Seamen (1996) found that when possible and impossible objects were equated for complexity, priming was observed for both object types. The present research extended the complexity results. Possible objects demonstrated object decision priming with greater classification accuracy for studied than nonstudied objects, following exposure durations of 900 ms to 30 s. The pattern for impossible objects was a function of their complexity. Highly complex impossible objects showed greater classification accuracy for nonstudied than studied objects, whereas moderately complex impossible objects showed no difference in classification accuracy, except following the longest duration where studied objects were classified more accurately than nonstudied objects. The conditions under which priming was observed for possible and impossible objects was discussed in terms of stimulus complexity and the ease of generating structural representations of the stimuli and the presence of a general response bias.

Note: Article Seamon JG, Wesleyan Univ, Dept Psychol, Middletown,CT 06459 USA

Keyword(s): IMPLICIT MEMORY; EXPOSURE DURATION; VISUAL-PATTERNS; EXPLICIT MEMORY; RECOGNITION; COMPLEXITY

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