Shared attention for action selection and action monitoring in goal-directed reaching
MetadataShow full item record
AbstractDual-task studies have shown higher sensitivity for stimuli presented at the targets of upcoming actions. We examined whether attention is directed to action targets for the purpose of action selection, or if attention is directed to these locations because they are expected to provide feedback about movement outcomes. In our experiment, endpoint accuracy feedback was spatially separated from the action targets to determine whether attention would be allocated to (a) the action targets, (b) the expected source of feedback, or (c) to both locations. Participants reached towards a location indicated by an arrow while identifying a discrimination target that could appear in any one of eight possible locations. Discrimination target accuracy was used as a measure of attention allocation. Participants were unable to see their hand during reaching and were provided with a small monetary reward for each accurate movement. Discrimination target accuracy was best at action targets but was also enhanced at the spatially separated feedback locations. Separating feedback from the reaching targets did not diminish discrimination accuracy at the movement targets but did result in delayed movement initiation and reduced reaching accuracy, relative to when feedback was presented at the reaching target. The results suggest attention is required for both action planning and monitoring movement outcomes. Dividing attention between these functions negatively impacts action performance.
CitationMahon A, Bendžiūtė S, Hesse C, Hunt AR (2020) 'Shared attention for action selection and action monitoring in goal-directed reaching', Psychological research, (84), pp.313-326.
The following license files are associated with this item:
- Creative Commons
Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by-nc-nd/4.0/
- Deployment of visual attention before sequences of goal-directed hand movements.
- Authors: Baldauf D, Wolf M, Deubel H
- Issue date: 2006 Dec
- Visual attention during the preparation of bimanual movements.
- Authors: Baldauf D, Deubel H
- Issue date: 2008 Feb
- Goal-directed action is automatically biased towards looming motion.
- Authors: Moher J, Sit J, Song JH
- Issue date: 2015 Aug
- The processing of visual and auditory information for reaching movements.
- Authors: Glazebrook CM, Welsh TN, Tremblay L
- Issue date: 2016 Sep
- Allocation of attention for dissociated visual and motor goals.
- Authors: Song JH, Bédard P
- Issue date: 2013 Apr