Contact Heat in Magnetoencephalography: A Systematic Review

Graeme-Drury, Thomas J and Worthen, Siân F. and Maden, Michelle and Raphael, Jon H. and Khan, Salim and Vreugdenhil, Martin and Duarte, Rui V. (2023) Contact Heat in Magnetoencephalography: A Systematic Review. Canadian Journal of Neurological Sciences. pp. 1-8. ISSN 0317-1671

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Abstract

Background:
Contact heat is commonly used in experimental research to evoke brain activity, most frequently acquired with electroencephalography (EEG). Although magnetoencephalography (MEG) improves spatial resolution, using some contact heat stimulators with MEG can present methodological challenges. This systematic review assesses studies that utilise contact heat in MEG, their findings and possible directions for further research.

Methods:
Eight electronic databases were searched for relevant studies, in addition to the selected papers' reference lists, citations and ConnectedPapers maps. Best practice recommendations for systematic reviews were followed. Papers met inclusion criteria if they used MEG to record brain activity in conjunction with contact heat, regardless of stimulator equipment or paradigm.

Results:
Of 646 search results, seven studies met the inclusion criteria. Studies demonstrated effective electromagnetic artefact removal from MEG data, the ability to elicit affective anticipation and differences in deep brain stimulation responders. We identify contact heat stimulus parameters that should be reported in publications to ensure comparisons between data outcomes are consistent.

Conclusions:
Contact heat is a viable alternative to laser or electrical stimulation in experimental research, and methods exist to successfully mitigate any electromagnetic noise generated by PATHWAY CHEPS equipment – though there is a dearth of literature exploring the post-stimulus time window.

Item Type:	Article
Identification Number:	10.1017/cjn.2023.25
Dates:	Date Event 9 February 2023 Accepted 21 February 2023 Published Online
Uncontrolled Keywords:	Magnetoencephalography, contact heat, pain, evoked potentials
Subjects:	CAH03 - biological and sport sciences > CAH03-01 - biosciences > CAH03-01-01 - biosciences (non-specific) CAH04 - psychology > CAH04-01 - psychology > CAH04-01-01 - psychology (non-specific)
Divisions:	Faculty of Health, Education and Life Sciences > College of Life Sciences
Depositing User:	Thomas Graeme-Drury
Date Deposited:	16 Mar 2023 16:11
Last Modified:	12 Jun 2024 11:49
URI:	https://www.open-access.bcu.ac.uk/id/eprint/14258