Large-scale remote fear conditioning: Demonstration of associations with anxiety using the FLARe smartphone app. McGregor, T., Purves, K. L., Constantinou, E., Baas, J. M. P., Barry, T. J., Carr, E., Craske, M. G., Lester, K. J., Palaiologou, E., Breen, G., Young, K. S., & Eley, T. C. Depression and Anxiety, 38(7):719–730, 2021. _eprint: https://onlinelibrary.wiley.com/doi/pdf/10.1002/da.23146
Large-scale remote fear conditioning: Demonstration of associations with anxiety using the FLARe smartphone app [link]Paper  doi  abstract   bibtex   
Objectives We aimed to examine differences in fear conditioning between anxious and nonanxious participants in a single large sample. Materials and methods We employed a remote fear conditioning task (FLARe) to collect data from participants from the Twins Early Development Study (n = 1,146; 41% anxious vs. 59% nonanxious). Differences between groups were estimated for their expectancy of an aversive outcome towards a reinforced conditional stimulus (CS+) and an unreinforced conditional stimulus (CS−) during acquisition and extinction phases. Results During acquisition, the anxious group (vs. nonanxious group) showed greater expectancy towards the CS−. During extinction, the anxious group (vs. nonanxious group) showed greater expectancy to both CSs. These comparisons yielded effect size estimates (d = 0.26–0.34) similar to those identified in previous meta-analyses. Conclusion The current study demonstrates that remote fear conditioning can be used to detect differences between groups of anxious and nonanxious individuals, which appear to be consistent with previous meta-analyses including in-person studies.
@article{mcgregor_large-scale_2021,
	title = {Large-scale remote fear conditioning: {Demonstration} of associations with anxiety using the {FLARe} smartphone app},
	volume = {38},
	copyright = {All rights reserved},
	issn = {1520-6394},
	shorttitle = {Large-scale remote fear conditioning},
	url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/da.23146},
	doi = {10.1002/da.23146},
	abstract = {Objectives We aimed to examine differences in fear conditioning between anxious and nonanxious participants in a single large sample. Materials and methods We employed a remote fear conditioning task (FLARe) to collect data from participants from the Twins Early Development Study (n = 1,146; 41\% anxious vs. 59\% nonanxious). Differences between groups were estimated for their expectancy of an aversive outcome towards a reinforced conditional stimulus (CS+) and an unreinforced conditional stimulus (CS−) during acquisition and extinction phases. Results During acquisition, the anxious group (vs. nonanxious group) showed greater expectancy towards the CS−. During extinction, the anxious group (vs. nonanxious group) showed greater expectancy to both CSs. These comparisons yielded effect size estimates (d = 0.26–0.34) similar to those identified in previous meta-analyses. Conclusion The current study demonstrates that remote fear conditioning can be used to detect differences between groups of anxious and nonanxious individuals, which appear to be consistent with previous meta-analyses including in-person studies.},
	language = {en},
	number = {7},
	urldate = {2021-09-06},
	journal = {Depression and Anxiety},
	author = {McGregor, Thomas and Purves, Kirstin L. and Constantinou, Elena and Baas, Johanna M. P. and Barry, Tom J. and Carr, Ewan and Craske, Michelle G. and Lester, Kathryn J. and Palaiologou, Elisavet and Breen, Gerome and Young, Katherine S. and Eley, Thalia C.},
	year = {2021},
	note = {\_eprint: https://onlinelibrary.wiley.com/doi/pdf/10.1002/da.23146},
	keywords = {anxiety disorders, differential conditioning, extinction, remote study, smartphones},
	pages = {719--730},
}

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