Effects of wearing a surgical face mask on cognitive functioning and mood states: a randomised controlled trial in young adults.

The relationship with spatial test scores had a negative trend such that a 1-unit increase in the Likert scale rating was associated with a mean reduction in the spatial test scores of 3.06 (95% CI − 5.1, − 1.6), irrespective of the session.

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Furthermore, participants reported feeling less happy and more tense during the mask wearing session compared to the control session and there was a small trend towards feeling more sad during the mask session.

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