Attentional Demands Following Perceptual Skill Training

Author:

Ahissar Merav12,Laiwand Roni3,Hochstein Shaul23

Affiliation:

1. Department of Psychology, Hebrew University of Jerusalem, Jerusalem, Israel

2. Center for Neural Computation, Hebrew University of Jerusalem, Jerusalem, Israel

3. Department of Neurobiology, Institute of Life Sciences, Hebrew University of Jerusalem, Jerusalem, Israel

Abstract

Practicing simple visual tasks induces substantial improvement. We investigated whether increased efficiency is accompanied by automaticity and immunity to across-task interference. We found that although practice speeds orientation feature detection, it does not abolish susceptibility to interference from introduction of concurrent central-letter identification, which takes priority. Yet following training with each task, observers successfully managed to perform the tasks concurrently. The effectiveness of separate training implies that the role of improved intertask coordination in achieving concurrent performance was minor. Indeed, even when initial training was concurrent, improvement on the two tasks was sequential, and the higher-priority (central) task was learned first. However, automatic processing was not accomplished either, because increasing the difficulty of the higher-priority task interfered with performance of both tasks. What appears to be orchestrated posttraining performance is actually mainly an emergent property of speeded initial processes rather than either eliminated bottlenecks or improved central executive management.

Publisher

SAGE Publications

Subject

General Psychology

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