Age-Related Decline in Learning Deterministic Judgment-Based Sequences

Layla DangBA, Sylvia P LarsonBA, Mark A GluckPhD, Jessica R PetokPhD and Angela GutchessPhD

The Journals of Gerontology: Series B, 2020, vol. 75, issue 5, 961-969

Abstract: ObjectivesBecause sequence learning is integral to cognitive functions across the life span, the present study examined the effect of healthy aging on deterministic judgment-based sequence learning.MethodsCollege-aged, younger–old (YO), and older–old (OO) adults completed a judgment-based sequence learning task which required them to learn a full sequence by chaining together single stimulus–response associations in a step-by-step fashion.ResultsResults showed that younger adults outperformed YO and OO adults; older adults were less able to acquire the full sequence and committed significantly more errors during learning. Additionally, higher sequence learning errors were associated with advancing age among older adults, even when controlling for other factors known to contribute to sequence learning abilities. Such impairments were selective to learning sequential information, because adults of all ages performed equivalently on postlearning probe trials, as well as on learning simple stimulus–response associations.DiscussionThis pattern of age deficits during deterministic sequence learning challenges past reports of age preservation. Though the neural processes underlying learning cannot be determined here, our patterns of age deficits and preservation may reflect different brain regions that are involved in the task phases, adding behavioral evidence to the emerging hypothesis of frontostriatal declines despite spared hippocampal function with age.

Keywords: Aging; Deterministic sequence learning; Judgment-based learning (search for similar items in EconPapers)
Date: 2020
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The Journals of Gerontology: Series B is currently edited by Psychological Sciences - S. Duke Han, PhD and Social Sciences - Jessica A Kelley, PhD, FGSA

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