Water consumption, not expectancies about water consumption, affects cognitive performance in adults
Journal article
Edmonds, C.J., Crombie, R., Baillieux, H., Gardner, M.R. and Dawkins, L. (2013). Water consumption, not expectancies about water consumption, affects cognitive performance in adults. Appetite. 60, pp. 148-153. https://doi.org/10.1016/j.appet.2012.10.016
Authors | Edmonds, C.J., Crombie, R., Baillieux, H., Gardner, M.R. and Dawkins, L. |
---|---|
Abstract | Research has shown that water supplementation positively affects cognitive performance in children and adults. The present study considered whether this could be a result of expectancies that individuals have about the effects of water on cognition. Forty seven participants were recruited and told the study was examining the effects of repeated testing on cognitive performance. They were assigned either to a condition in which positive expectancies about the effects of drinking water were induced, or a control condition in which no expectancies were induced. Within these groups, approximately half were given a drink of water, while the remainder were not. Performance on a thirst scale, letter cancellation, digit span forwards and backwards and a simple reaction time task was assessed at baseline (before the drink) and 20 minutes and 40 minutes after water consumption. Effects of water, but not expectancy, were found on subjective thirst ratings and letter cancellation task performance, but not on digit span or reaction time. This suggests that water consumption effects on letter cancellation are due to the physiological effects of water, rather than expectancies about the effects of drinking water. |
Year | 2013 |
Journal | Appetite |
Journal citation | 60, pp. 148-153 |
Publisher | Elsevier |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.appet.2012.10.016 |
Publication dates | |
Jan 2013 | |
Online | 19 Oct 2012 |
Publication process dates | |
Accepted | 24 Oct 2012 |
Deposited | 27 Jul 2021 |
Accepted author manuscript | License File Access Level Open |
Accepted author manuscript | License File Access Level Open |
Accepted author manuscript | License File Access Level Open |
https://openresearch.lsbu.ac.uk/item/8x593
Download files
Accepted author manuscript
2012_Edmonds_etal_Water-consumption.pdf | ||
License: CC BY-NC-ND 4.0 | ||
File access level: Open |
Edmonds response expectancy - revised tables 2.doc | ||
License: CC BY-NC-ND 4.0 | ||
File access level: Open |
Edmonds response expectancy - revised figures 2.doc | ||
License: CC BY-NC-ND 4.0 | ||
File access level: Open |
121
total views268
total downloads4
views this month3
downloads this month