Force steadiness during a cognitively challenging motor task is predicted by executive function in older adults

HM Pereira, B Schlinder-Delap, KA Nielson… - Frontiers in …, 2018 - frontiersin.org
Motor performance and cognitive function both decline with aging. Older adults for example
are usually less steady for a constant-force task than young adults when performing low …

Motor variability during sustained contractions increases with cognitive demand in older adults

ML Vanden Noven, HM Pereira, T Yoon… - Frontiers in aging …, 2014 - frontiersin.org
To expose cortical involvement in age-related changes in motor performance, we compared
steadiness (force fluctuations) and fatigability of submaximal isometric contractions with the …

Cognitive challenge as a probe to expose sex-and age-related differences during static contractions

HM Pereira, SK Hunter - Frontiers in Physiology, 2023 - frontiersin.org
Despite activities of daily living being frequently performed simultaneously with a cognitive
task, motor function is often investigated in isolation, which can hinder the applicability of …

The cognitive complexity of concurrent cognitive-motor tasks reveals age-related deficits in motor performance

AS Oliveira, MS Reiche, CI Vinescu, SAH Thisted… - Scientific Reports, 2018 - nature.com
Aging reduces cognitive functions, and such impairments have implications in mental and
motor performance. Cognitive function has been recently linked to the risk of falls in older …

Oscillations in neural drive and age-related reductions in force steadiness with a cognitive challenge

HM Pereira, B Schlinder-DeLap… - Journal of Applied …, 2019 - journals.physiology.org
A cognitive challenge when imposed during a low-force isometric contraction will
exacerbate sex-and age-related decreases in force steadiness, but the mechanism is not …

Visual feedback and declines in attention are associated with altered visual strategy during a force-steadiness task in older adults

B Heintz Walters, WE Huddleston… - Journal of …, 2023 - journals.physiology.org
Greater heterogeneity exists in older adults relative to young adults when performing highly
skilled manual tasks. The purpose of this study was to assess the influence of visual …

Influence of visual feedback and cognitive challenge on the age-related changes in force steadiness

HM Pereira, KG Keenan, SK Hunter - Experimental Brain Research, 2024 - Springer
Force steadiness can be influenced by visual feedback as well as presence of a cognitive
tasks and potentially differs with age and sex. This study determined the impact of altered …

Age and sex differences in steadiness of elbow flexor muscles with imposed cognitive demand

HM Pereira, VC Spears, B Schlinder-Delap… - European journal of …, 2015 - Springer
Purpose These studies determined (1) age-and sex-related differences in steadiness of
isometric contractions when high cognitive demand was imposed across a range of forces …

Interactions between the aging brain and motor task complexity across the lifespan: balancing brain activity resource demand and supply

P Van Ruitenbeek, T Santos Monteiro… - Cerebral …, 2023 - academic.oup.com
Abstract The Compensation Related Utilization of Neural Circuits Hypothesis (CRUNCH)
proposes a framework for understanding task-related brain activity changes as a function of …

Force Fluctuations During Role-Differentiated Bimanual Movements Reflect Cognitive Impairments in Older Adults: A Cohort Sequential Study

J Rudisch, S Fröhlich, DF Kutz… - The Journals of …, 2024 - academic.oup.com
During role-differentiated bimanual movements (RDBM), an object is typically stabilized with
1 hand and manipulated with the other. RDBM require coupling both hands for coordinated …