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The effect of training intensity on implicit learning rates in schizophrenia
Natasza D Orlov1,2,3,4, Jessica Sanderson5, Syed Ali Muqtadir5,6
1Cognition Imaging Schizophrenia Lab, Department of Psychosis Studies, Institute of Psychiatry Psychology and Neuroscience, King's College London, London, UK. natasza.orlov@kcl.ac.uk.
Scientific Reports
|March 23, 2021
Summary
Daily cognitive training improves learning rates in schizophrenia more than intensive regimens. Overnight consolidation appears crucial for optimizing cognitive training outcomes in individuals with schizophrenia.
Area of Science:
- Neuroscience
- Psychiatry
Background:
- Cognitive impairments in learning and memory are central to schizophrenia.
- These deficits significantly reduce quality of life.
- Cognitive training is the most effective treatment for these impairments.
Purpose of the Study:
- To investigate the impact of training frequency on cognitive outcomes in schizophrenia.
- To examine the role of training intensity on learning rates using a verbal memory task.
- To compare daily versus intensive training schedules.
Main Methods:
- Utilized a verbal memory language learning task targeting implicit cognitive processes.
- Analyzed data from 47 participants across two studies with different training frequencies.
- Measured changes in implicit learning performance using the Matthews Correlation Coefficient (MCC).
Main Results:
- Daily training (5 sessions over 5 days) led to significantly improved performance compared to intensive training (5 sessions over 2 days) at session 4.
- This is the first study demonstrating that implicit learning rates are influenced by training intensity.
- Daily sessions were more effective than a condensed, intensive schedule.
Conclusions:
- Training frequency significantly impacts cognitive learning rates in individuals with schizophrenia.
- Daily cognitive training regimens appear superior to intensive schedules.
- Overnight consolidation may be a critical factor for optimizing cognitive training efficacy in schizophrenia.
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