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Brain-Training App Improves Memory In People With Mild Cognitive Impairment
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Brain Training Works, an Hour a Day Keeps Dementia at Bay

Brain-Training App Improves Memory In People With Mild Cognitive Impairment
News

Brain Training Works, an Hour a Day Keeps Dementia at Bay

Screenshot from Game Show. Credit: Sahakian Lab
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Amnestic mild cognitive impairment (aMCI) has been described as the transitional stage between ‘healthy ageing’ and dementia. It is characterized by day-to-day memory difficulties and problems of motivation. At present, there are no approved drug treatments for the cognitive impairments of patients affected by the condition.

Cognitive training has shown some benefits, such as speed of attentional processing, for patients with aMCI, but training packages are typically repetitive and boring, affecting patients’ motivation. To overcome this problem, researchers from the Departments of Psychiatry and Clinical Neurosciences and the Behavioural and Clinical Neuroscience Institute at the University of Cambridge developed ‘Game Show’, a memory game app, in collaboration with patients with aMCI, and tested its effects on cognition and motivation.

The researchers randomly assigned forty-two patients with amnestic MCI to either the cognitive training or control group. Participants in the cognitive training group played the memory game for a total of eight one-hour sessions over a four-week period; participants in the control group continued their clinic visits as usual.

In the game, which participants played on an iPad, the player takes part in a game show to win gold coins. In each round, they are challenged to associate different geometric patterns with different locations. Each correct answer allows the player to earn more coins. Rounds continue until completion or after six incorrect attempts are made. The better the player gets, the higher the number of geometric patterns presented – this helps tailor the difficulty of the game to the individual’s performance to keep them motivated and engaged. A game show host encourages the player to maintain and progress beyond their last played level.

The results showed that patients who played the game made around a third fewer errors, needed fewer trials and improved their memory score by around 40%, showing that they had correctly remembered the locations of more information at the first attempt on a test of episodic memory. Episodic memory is important for day-to-day activities and is used, for example, when remembering where we left our keys in the house or where we parked our car in a multi-storey car park. Compared to the control group, the cognitive training group also retained more complex visual information after training.  

In addition, participants in the cognitive training group indicated that they enjoyed playing the game and were motivated to continue playing across the eight hours of cognitive training. Their confidence and subjective memory also increased with gameplay. The researchers say that this demonstrates that games can help maximize engagement with cognitive training.

“Good brain health is as important as good physical health. There's increasing evidence that brain training can be beneficial for boosting cognition and brain health, but it needs to be based on sound research and developed with patients,” says Professor Barbara Sahakian, co-inventor of the game: “It also need to be enjoyable enough to motivate users to keep to their programs. Our game allowed us to individualize a patient’s cognitive training program and make it fun and enjoyable for them to use.”

Dr George Savulich, the lead scientist on the study, adds: “Patients found the game interesting and engaging and felt motivated to keep training throughout the eight hours. We hope to extend these findings in future studies of healthy ageing and mild Alzheimer’s disease.”

The researchers hope to follow this published study up with a future large-scale study and to determine how long the cognitive improvements persist.

Reference:
Savulich, G., Piercy, T., Fox, C., Suckling, J., Rowe, J.B., O’Brien, J.T. and Sahakian, B.J., 2017. Cognitive training using a novel memory game on an iPad in patients with amnestic mild cognitive impairment (aMCI). International Journal of Neuropsychopharmacology.

This article has been republished from materials provided by the University of Cambridge. Note: material may have been edited for length and content. For further information, please contact the cited source.

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