Incongruent imagery interferes with action initiation.
Summary of "Incongruent imagery interferes with action initiation."
It has been suggested that representing an action through observation and imagery share neural processes with action execution. In support of this view, motor-priming research has shown that observing an action can influence action initiation. However, there is little motor-priming research showing that imagining an action can modulate action initiation. The current study examined whether action imagery could prime subsequent execution of a reach and grasp action. Across two motion analysis tracking experiments, 40 participants grasped an object following congruent or incongruent action imagery. In Experiment 1, movement initiation was faster following congruent compared to incongruent imagery, demonstrating that imagery can prime the initiation of grasping. In Experiment 2, incongruent imagery resulted in slower movement initiation compared to a no-imagery control. These data show that imagining a different action to that which is performed can interfere with action production. We propose that the most likely neural correlates of this interference effect are brain regions that code imagined and executed actions. Further, we outline a plausible mechanistic account of how priming in these brain regions through imagery could play a role in action cognition.
School of Psychology, University of Nottingham, University Park, Nottingham NG7 2RD, UK.
This article was published in the following journal.
Name: Brain and cognition
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/20846772
- DOI: http://dx.doi.org/10.1016/j.bandc.2010.08.005
Medical and Biotech [MESH] Definitions
The use of mental images produced by the imagination as a form of psychotherapy. It can be classified by the modality of its content: visual, verbal, auditory, olfactory, tactile, gustatory, or kinesthetic. Common themes derive from nature imagery (e.g., forests and mountains), water imagery (e.g., brooks and oceans), travel imagery, etc. Imagery is used in the treatment of mental disorders and in helping patients cope with other diseases. Imagery often forms a part of HYPNOSIS, of AUTOGENIC TRAINING, of RELAXATION TECHNIQUES, and of BEHAVIOR THERAPY. (From Encyclopedia of Human Behavior, vol. 4, pp29-30, 1994)
Eukaryotic Initiation Factor-1
A eukaryotic initiation factor that binds to 40S ribosomal subunits. Although initially considered a "non-essential" factor for eukaryotic transcription initiation, eukaryotic initiation factor-1 is now thought to play an important role in localizing RIBOSOMES at the initiation codon of MRNA.
Eukaryotic Initiation Factor-4g
A component of eukaryotic initiation factor-4F that is involved in multiple protein interactions at the site of translation initiation. Thus it may serve a role in bringing together various initiation factors at the site of translation initiation.
Eukaryotic Initiation Factor-4f
A trimeric peptide initiation factor complex that associates with the 5' MRNA cap structure of RNA (RNA CAPS) and plays an essential role in MRNA TRANSLATION. It is composed of EUKARYOTIC INITIATION FACTOR-4A; EUKARYOTIC INITIATION FACTOR-4E; and EUKARYOTIC INITIATION FACTOR-4G.
Eukaryotic Initiation Factor-5
A eukaryotic initiation factor that interacts with the 40S initiation complex and promotes the hydrolysis of the bound GTP. The hydrolysis of GTP causes the release of EUKARYOTIC INITIATION FACTOR-2 and EUKARYOTIC INITIATION FACTOR-3 from the 40S subunit and the subsequent joining of the 60S ribosomal subunit to the 40S complex to form the functional 80S initiation complex
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