ArticleJournal of neurophysiology2013
Postural adjustment errors reveal deficits in inhibition during lateral step initiation in older adults.
Article in Journal of neurophysiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- The stop signal stepping task: how action cancellation commands disrupt step initiation in young and healthy older adults.GeroScience · 2026Article
- Working memory load modulates anticipatory postural adjustments during step initiation.Experimental brain research · 2024Article
- Inhibitory Control and Fall Prevention: Why Stopping Matters.Frontiers in neurology · 2022Article
- Relationship between Speed of Response Inhibition and Ability to Suppress a Step in Midlife and Older Adults.Brain sciences · 2021Article
- Attention and sensory integration for postural control in young adults with autism spectrum disorders.Experimental brain research · 2021Article
- Gray Matter Regions Associated With Functional Mobility in Community-Dwelling Older Adults.Journal of the American Geriatrics Society · 2020Article
- Modulation of EMG-EMG Coherence in a Choice Stepping Task.Frontiers in human neuroscience · 2018Article
- Online adjustments of leg movements in healthy young and old.Experimental brain research · 2017Review
- Performance monitoring and response conflict resolution associated with choice stepping reaction tasks.Experimental brain research · 2016Article
- Timing paradox of stepping and falls in ageing: not so quick and quick(er) on the trigger.The Journal of physiology · 2016Review
- Age differences in reactive strategies and execution time during choice stepping with visual interference.European journal of applied physiology · 2016Article
- Probing attention prioritization during dual-task step initiation: a novel method.Experimental brain research · 2016Article
- Accessory stimulus modulates executive function during stepping task.Journal of neurophysiology · 2015Article
- Erratum to: postural adjustment errors during lateral step initiation in older and younger adults.Experimental brain research · 2015Article
- Adaptation of sensorimotor coupling in postural control is impaired by sleep deprivation.PloS one · 2015Article
- Postural adjustment errors during lateral step initiation in older and younger adults.Experimental brain research · 2014Article
- Lateral step initiation behavior in older adults.Gait & posture · 2014Article
- Neuropsychological mechanisms of falls in older adults.Frontiers in aging neuroscience · 2014Review
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
Postural dual-task studies have demonstrated effects of various executive function components on gait and postural control in older adults. The purpose of the study was to explore the role of inhibition during lateral step initiation. Forty older adults participated (range 70-94 yr). Subjects stepped to the left or right in response to congruous and incongruous visual cues that consisted of left and right arrows appearing on left or right sides of a monitor. The timing of postural adjustments was identified by inflection points in the vertical ground reaction forces (VGRF) measured separately under each foot. Step responses could be classified into preferred and nonpreferred step behavior based on the number of postural adjustments that were made. Delays in onset of the first postural adjustment (PA1) and liftoff (LO) of the step leg during preferred steps progressively increased among the simple, choice, congruous, and incongruous tasks, indicating interference in processing the relevant visuospatial cue. Incongruous cues induced subjects to make more postural adjustments than they typically would (i.e., nonpreferred steps), representing errors in selection of the appropriate motor program. During these nonpreferred steps, the onset of the PA1 was earlier than during the preferred steps, indicating a failure to inhibit an inappropriate initial postural adjustment. The functional consequence of the additional postural adjustments was a delay in the LO compared with steps in which they did not make an error. These results suggest that deficits in inhibitory function may detrimentally affect step decision processing, by delaying voluntary step responses.
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