Transformations of Short-Term Visual Memory.
Final rept. 1 Sep 85-31 Aug 87,
PENNSYLVANIA UNIV PHILADELPHIA
Pagination or Media Count:
This is the Final Report of research supported by a contract entitled Transformations of Short-Term Visual Memory. After a section on Short-term dynamics of visual representation Background and previous research, the report provides a synopsis of the principal research supported by the contract, under the following headings Technical advances, Principal phenomena in the spatial probe paradigm, Comparison of visual and tactical probes, The roles of uncertainty about position, target, and response in information retrieval, The effect of memory load on the time to name an element indicated by a spatial probe, Nature of the transformation process, Comparison of the time course of slope and intercept changes with probe delay, Test of direct access by color, Comparison of naming of a marked element with location-specific matching, Location-specific matching of digits versus unfamiliar and nameless shapes, Relation of the rapid transformation of small arrays to the decay of iconic memory of large arrays, and Plans for use of event-related potentials ERPs to monitor the rapid transformation. Keywords Psychology, Information processing, Visual, Memory, Reaction time.