When does “inhibition of return” occur in spatial cueing tasks? Temporally disentangling multiple cue-triggered effects using response history and conditional accuracy analyses

Author:

Panis Sven1,Schmidt Thomas2

Affiliation:

1. Experimental Psychology Unit, Faculty of Social Sciences , Technische Universität Kaiserslautern , Erwin-Schrödinger-Straße, Building 57 , Kaiserslautern , Germany

2. Experimental Psychology Unit, Faculty of Social Sciences , Technische Universität Kaiserslautern , Erwin-Schrödinger-Stra-ße, Building 57 , Kaiserslautern , Germany

Abstract

Abstract Research on spatial cueing has shown that uninformative cues often facilitate mean response time (RT) performance in valid- compared to invalid-cueing conditions at short cue-target stimulus-onset-asynchronies (SOAs), and robustly generate a reversed or inhibitory cueing effect at longer SOAs that is widely known as inhibition-of-return (IOR). To study the within-trial time course of the IOR and facilitation effects we employ discrete-time hazard and conditional accuracy analyses to analyze the shapes of the RT and accuracy distributions measured in two experimental tasks. Our distributional analyses show that (a) IOR is present only from ~160 ms to ~280 ms after target onset for cue-target SOAs above ~200 ms, (b) facilitation does not precede IOR, but co-occurs with it, (c) the cue-triggered motor response activation is selectively and actively inhibited before target onset, (d) the IOR effect consists of a facilitatory and an inhibitory component when compared to central cueing, (e) the addition of an extra central cue causes a temporary negative cueing effect in the conditional accuracy functions, and (f) the within-trial time course of IOR is not affected much by the task employed (detection or localization). We conclude that the traditional mean performance measures conceal crucial information on behavioral dynamics in spatial cueing paradigms.

Publisher

Walter de Gruyter GmbH

Subject

Medical Assisting and Transcription,Medical Terminology

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