Reliability and correlates of intra-individual variability in the oculomotor system

Perquin M, Bompas A (2019)
Journal of Eye Movement Research 12(6).

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Perquin, MarlouUniBi; Bompas, Aline
Abstract / Bemerkung
Even if all external circumstances are kept equal, the oculomotor system shows intra-individual variability over time, affecting measures such as microsaccade rate, blink rate, pupil size, and gaze position. Recently, some of these measures have been associated with ADHD on a between-subject level. However, it remains unclear to what extent these measures constitute stable individual traits. In the current study, we investigate the intra-individual reliability of these oculomotor features. Combining results over three experiments (>100 healthy participants), we found evidence for intra-individual reliability over different time points (repeatability) as well as over different conditions (generalization). Furthermore, we correlated oculomotor variability with self-assessed ADHD tendencies, mind wandering, and impulsivity, and found evidence against such correlations. As such, the oculomotor system shows reliable intra-individual reliability, but its use for distinguishing self-assessed individual differences in healthy subjects remains unclear. With our results, we highlight the importance of reliability and statistical power when studying between-subject differences.
Erscheinungsjahr
2019
Zeitschriftentitel
Journal of Eye Movement Research
Band
12
Ausgabe
6
eISSN
1995-8692
Page URI
https://pub.uni-bielefeld.de/record/2943826

Zitieren

Perquin M, Bompas A. Reliability and correlates of intra-individual variability in the oculomotor system. Journal of Eye Movement Research. 2019;12(6).
Perquin, M., & Bompas, A. (2019). Reliability and correlates of intra-individual variability in the oculomotor system. Journal of Eye Movement Research, 12(6). doi:10.16910/JEMR.12.6.11
Perquin, M., and Bompas, A. (2019). Reliability and correlates of intra-individual variability in the oculomotor system. Journal of Eye Movement Research 12.
Perquin, M., & Bompas, A., 2019. Reliability and correlates of intra-individual variability in the oculomotor system. Journal of Eye Movement Research, 12(6).
M. Perquin and A. Bompas, “Reliability and correlates of intra-individual variability in the oculomotor system”, Journal of Eye Movement Research, vol. 12, 2019.
Perquin, M., Bompas, A.: Reliability and correlates of intra-individual variability in the oculomotor system. Journal of Eye Movement Research. 12, (2019).
Perquin, Marlou, and Bompas, Aline. “Reliability and correlates of intra-individual variability in the oculomotor system”. Journal of Eye Movement Research 12.6 (2019).

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