A thorough understanding of the cognitive effects of antidepressant medications is essential given their frequency of use. This meta-analysis was conducted to investigate whether antidepressants differentially affect the various domains of cognitive functioning for depressed and non-depressed participants. An electronic search of PsycInfo, Medline and Google Scholar was conducted for all journal articles published between January 1998 and January 2017. Thirty-three studies were included enabling calculation of Hedges' g using a random effects model for the cognitive domains of divided attention, executive function, expressive language, immediate memory, perceptual motor skills, processing speed, recent memory, sustained attention, visuospatial-constructional skills and working memory. Results revealed that overall, antidepressants have a modest, positive effect on divided attention, executive function, immediate memory, processing speed, recent memory and sustained attention for depressed participants. Selective serotonin reuptake inhibitors (SSRI's) were found to have the greatest positive effect on cognition for depressed participants, as compared to the other classes of antidepressants analysed. Antidepressants did not significantly affect cognitive function in non-depressed participants.

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This meta-analysis examined how performance on various cognitive domains of neuropsychological functioning can contribute to predicting progression to dementia from mild cognitive impairment (MCI) or subjective memory complaints. Studies performed between the years of 1997 and 2018 were identified through a search of the electronic databases Medline and PsycINFO. Data from the articles identified were pooled to determine standardized mean differences, calculated as Hedges g, using a random-effects model. Twenty-four studies were included in the analysis. The majority of studies examined the progression of amnestic mild cognitive impairment (aMCI) to Alzheimer’s disease (AD). Nonprogressors performed significantly better than did progressors in the domains of divided attention, executive function, expressive language, immediate recall, processing speed, delayed recall, visuospatial/constructional ability, working memory, and sustained attention. These findings indicate that individuals with MCI or subjective memory complaints who do not progress to dementia, perform better at baseline as compared with individuals that progress to dementia on a range of neuropsychological measures, and lends further support to the contention that neuropsychological assessment can make important contributions to predicting progression to dementia while individuals are still in the MCI or subjective memory complaint stage.

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Shame and guilt are closely related self-conscious emotions of negative affect that give rise to divergent self-regulatory and motivational behaviours. While guilt-proneness has demonstrated positive relationships with self-report measures of empathy and adaptive interpersonal functioning, shame-proneness tends to be unrelated or inversely related to empathy and is associated with interpersonal difficulties. At present, no research has examined relationships between shame and guilt-proneness with facial emotion recognition ability. Participants (N = 363) completed measures of shame and guilt-proneness along with a facial emotion recognition task which assessed the ability to identify displays of anger, sadness, happiness, fear, disgust, and shame. Guilt-proneness was consistently positively associated with facial emotion recognition ability. In contrast, shame-proneness was unrelated to capacity for facial emotion recognition. Findings provide support for theory arguing that guilt and empathy operate synergistically and may also help explain the inverse relationship between guilt-proneness and propensity for aggressive behaviour.

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