In the study, published in the journal Nature Neuroscience, 42 people aged 20–29 and 42 people aged 60–76 were assessed in a working memory task . The older group were slower and less accurate on the tests .
នៅក្នុងការស្រាវជ្រាវ, ចេញផ្សាយនៅក្នុងទិនានុប្បវត្តិ ឃើញធម្មជាតិ, 42 people aged 20–29 and 42 people aged 60–76 were assessed in a working memory task .