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- Creators: College of Health Solutions
- Member of: Barrett, The Honors College Thesis/Creative Project Collection
Methods— Data were extracted and filtered from electronic databases PubMed (MEDLINE), CINAHL, Embase, PsycINFO, and Scopus. Intervention effects were represented by Hedges’ g and combined into pooled effect sizes using random effects models. Heterogeneity was evaluated using the Chi-squared (Q) and I-squared statistics.
Results— Five studies met inclusion criteria, representing data from 182 participants. The primary analysis produced a positive overall effect of aerobic exercise on cognitive performance (Hedges’ g [95% confidence interval]= 0.42 [0.007–0.77]). Effects were significantly different from zero for aerobic interventions combined with other physical activity interventions (Hedges’ g [CI] =0.59 [0.26 to 0.92]), but not for aerobic interventions alone (P= 0.40). In specific subdomains, positive moderate effects were found for global cognitive function (Hedges’ g [CI] =0.79 [0.31 to 1.26]) but not for attention and processing speed (P=0.08), executive function (P= 0.84), and working memory (P=0.92).
Conclusions— We determined that aerobic exercise combined with other modes of training produced a significant positive effect on cognition in adults after stroke in the subacute and chronic phases. Our analysis supports the use of combined training as a treatment option to enhance long-term cognitive function in adults after stroke. Further research is needed to determine the efficacy of aerobic training alone.
This study examines the effectiveness of two modes of exercise on inhibitory control in adults with Down Syndrome (DS). Thirteen participants attended four sessions: a baseline assessment, an Assisted Cycling Therapy (ACT) session, a Resistance Training (RT) session, and a session of No Training (NT). In the baseline assessment, 1-repetition max (1RM) measurements and voluntary pedal rate measurements were taken. In the resistance training session, the leg press, chest press, seated row, leg curl, shoulder press, and latissimus pulldown were performed. In the cycling intervention, the participant completed 30 minutes of cycling. The Erikson Flanker task was administered prior to each session (i.e., pretest) and after the intervention (i.e., post-test). The results were somewhat consistent with the hypothesis that inhibition time improved more following RT and ACT than NT. there was also a significant difference between ACT and NT. Additionally, it was hypothesized that all measures would improve following each acute exercise intervention, but the most significant improvements were seen following ACT. In conclusion, an acute session of ACT demonstrated a significant trend towards improvements in inhibitory control in adults with DS which we interpreted using a model of neural changes.
Methods: After searching through PubMed and PsycINFO and screening each article to see if the studies matched our inclusion and exclusion criteria, 7 studies qualified for this meta-analysis. Across all studies, 274 children with NSCL/P were compared to 267 of their typically developing peers. The mean age for children with NSCL/P was 118.8 months (SD = 49.19) and 119.8 months (SD = 49.81) for typically developing children. Effect sizes and demographic information (i.e. study location, sample size, assessments used, etc.) were pulled from each study.
Results: The average effect size for this systematic review is -0.41, demonstrating that children with NSCL/P performed 0.41 standard deviations less than their typically developing peers on measures of word decoding. This was calculated using the RVE-model. Both the older and younger age range showed deficits in their word decoding abilities compared to their typically developing peers. Hearing status, language abilities, and speech abilities were reported minimally with many inconsistencies between studies.
Conclusions: These findings suggest that children with NSCL/P perform poorer on word decoding tasks than their noncleft peers. These differences are found in both the younger and older populations of our sample. More evidence and fewer inconsistencies in the research are needed to determine whether hearing, language, and speech abilities have an effect on the word decoding skills of children with NSCL/P.