The effect of training intensity on implicit learning rates in schizophrenia
Journal article
Natasza D. Orlov, Jessica Sanderson, Syed Ali Muqtadir, Anastasia K. Kalpakidou, Panayiota G. Michalopoulou, Jie Lu and Sukhi S. Shergill 2021. The effect of training intensity on implicit learning rates in schizophrenia. Scientific Reports. 11 (6511). https://doi.org/10.1038/s41598-021-85686-5
Authors | Natasza D. Orlov, Jessica Sanderson, Syed Ali Muqtadir, Anastasia K. Kalpakidou, Panayiota G. Michalopoulou, Jie Lu and Sukhi S. Shergill |
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Abstract | Cognitive impairments in learning and memory are core symptoms of schizophrenia, associated with reduced self-reported quality of life. The most effective treatment of cognitive impairments is drill and practice cognitive training. Still, to date no study has investigated the effect of varying the frequency of training on cognitive outcomes. Here we utilized a verbal memory based language learning task, tapping into implicit cognitive processes, to investigate the role of training intensity on learning rates in individuals with schizophrenia. Data from 47 participants across two studies was utilized, one with a daily training regimen over 5 days and the other with a more intensive schedule of 5 sessions delivered over 2 days. The primary outcome measure was the change in implicit learning performance across five sessions, quantified with the Matthews Correlation Coefficient (MCC). Participants in the daily training group showed improved performance compared to the intensive group only at session 4. This is the first study to show that implicit learning rates are influenced by training intensity, with daily sessions outperforming a more intensive regimen; a period of consolidation overnight may be necessary to optimize cognitive training for individuals with schizophrenia. |
Keywords | Cognitive neuroscience; Learning and memory; Schizophrenia |
Year | 2021 |
Journal | Scientific Reports |
Journal citation | 11 (6511) |
Publisher | Springer Nature |
ISSN | 2045-2322 |
Digital Object Identifier (DOI) | https://doi.org/10.1038/s41598-021-85686-5 |
Official URL | https://www.nature.com/articles/s41598-021-85686-5 |
Publication dates | |
Online | 22 Mar 2021 |
Publication process dates | |
Accepted | 12 Feb 2021 |
Deposited | 06 Jun 2023 |
Publisher's version | License |
Output status | Published |
https://repository.canterbury.ac.uk/item/94w43/the-effect-of-training-intensity-on-implicit-learning-rates-in-schizophrenia
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