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Real-time fMRI brain-computer interface: development of a "motivational feedback" subsystem for the regulation of visual cue reactivity

Sokunbi, Moses, Linden, David Edmund Johannes, Habes, Isabelle, Johnston, Stephen and Ihssen, Niklas 2014. Real-time fMRI brain-computer interface: development of a "motivational feedback" subsystem for the regulation of visual cue reactivity. Frontiers in Behavioral Neuroscience 8 , 392. 10.3389/fnbeh.2014.00392

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Abstract

Here we present a novel neurofeedback subsystem for the presentation of motivationally relevant visual feedback during the self-regulation of functional brain activation. Our “motivational neurofeedback” approach uses functional magnetic resonance imaging (fMRI) signals elicited by visual cues (pictures) and related to motivational processes such as craving or hunger. The visual feedback subsystem provides simultaneous feedback through these images as their size corresponds to the magnitude of fMRI signal change from a target brain area. During self-regulation of cue-evoked brain responses, decreases and increases in picture size thus provide real motivational consequences in terms of cue approach vs. cue avoidance, which increases face validity of the approach in applied settings. Further, the outlined approach comprises of neurofeedback (regulation) and “mirror” runs that allow to control for non-specific and task-unrelated effects, such as habituation or neural adaptation. The approach was implemented in the Python programming language. Pilot data from 10 volunteers showed that participants were able to successfully down-regulate individually defined target areas, demonstrating feasibility of the approach. The newly developed visual feedback subsystem can be integrated into protocols for imaging-based brain-computer interfaces (BCI) and may facilitate neurofeedback research and applications into healthy and dysfunctional motivational processes, such as food craving or addiction.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Business (Including Economics)
MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)
Medicine
Psychology
Neuroscience and Mental Health Research Institute (NMHRI)
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Additional Information: Online publication date 25/11/14. Pdf uploaded in accordance with the publisher’s policy at http://www.sherpa.ac.uk/romeo/issn/1662-5153/ (accessed 02/12/2014)
Publisher: Frontiers Research Foundation
ISSN: 1662-5153
Date of First Compliant Deposit: 30 March 2016
Date of Acceptance: 20 October 2014
Last Modified: 21 Dec 2017 19:46
URI: http://orca.cf.ac.uk/id/eprint/67877

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Cited 29 times in Scopus. View in Scopus. Powered By Scopus® Data

Cited 4 times in Web of Science. View in Web of Science.

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