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Stress
The International Journal on the Biology of Stress
Volume 22, 2019 - Issue 2
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Original Article

Acute stressor effects on cognitive flexibility: mediating role of stressor appraisals and cortisol

Robert L. GabrysDepartment of Neuroscience, Carleton University, Ottawa, Ontario, Canada; Correspondence[email protected]
ORCID Iconhttp://orcid.org/0000-0002-9644-257XView further author information
ORCID Icon,
Jesse W. HowellDepartment of Neuroscience, Carleton University, Ottawa, Ontario, Canada; View further author information
,
Sarah F. CebulskiInstitute of Cognitive Science, Carleton University, Ottawa, Ontario, Canada; View further author information
,
Hymie AnismanDepartment of Neuroscience, Carleton University, Ottawa, Ontario, Canada; ;The Royal’s Institute of Mental Health Research, Ottawa, Ontario, CanadaView further author information
&
Kimberly MathesonDepartment of Neuroscience, Carleton University, Ottawa, Ontario, Canada; ;The Royal’s Institute of Mental Health Research, Ottawa, Ontario, CanadaView further author information
Pages 182-189 | Received 05 Apr 2018, Accepted 20 Jun 2018, Published online: 07 Feb 2019

Figures & data

Figure 1. Performance on the BCST, including the frequency of (A) perseverative and non-perseverative errors, (B) trials to first category, and (C) failures in maintaining a set, between individuals who experienced the TSST and control conditions. Error bars represent ± S.E. *p <.05. Note: Figures 1B and 1C display Log10 transformed scores.

Figure 1. Performance on the BCST, including the frequency of (A) perseverative and non-perseverative errors, (B) trials to first category, and (C) failures in maintaining a set, between individuals who experienced the TSST and control conditions. Error bars represent ± S.E. *p <.05. Note: Figures 1B and 1C display Log10 transformed scores.

Figure 2. Salivary cortisol levels (±S.E.) before and after the TSST and control conditions. **p <.01, ***p <.001.

Figure 2. Salivary cortisol levels (±S.E.) before and after the TSST and control conditions. **p <.01, ***p <.001.

Figure 3. The mediating role of cortisol in acute stressor effects on set-shifting. **p <.01, ***p <.001.

Figure 3. The mediating role of cortisol in acute stressor effects on set-shifting. **p <.01, ***p <.001.

Figure 4. The mediating role of perceived uncontrollability in the effects of the acute stressor on set-shifting, *p <.05, ***p <.001. ns: not significant.

Figure 4. The mediating role of perceived uncontrollability in the effects of the acute stressor on set-shifting, *p <.05, ***p <.001. ns: not significant.

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