Continuous cognitive task promotes greater postural stability than an internal or external focus of attention

Polskaia, Nadia; Richer, Natalie; Dionne, Eliane; Lajoie, Yves

doi:10.1016/j.gaitpost.2014.11.009

Cited by 77 publications

(57 citation statements)

References 25 publications

(64 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Moreover, the results of the present study suggest that performing the COG yielded a less stable postural performance relative to an EF as evidenced by a greater SD of COP (p < 0.05), a greater mean velocity (p < 0.05) and a trend for larger sway amplitude (p = 0.074) in the AP direction. This is inconsistent with previous postural control studies (Polskaia et al, 2014;Richer et al, 2017) that found greater postural stability to be associated with a COG when compared to an IF or EF. The difference between these studies and the present work may be due to the difference in cognitive demand resulting from the motor task.…”

Section: Dual-tasking Effects On Conventional Deadlift Performancecontrasting

confidence: 99%

“…Rather, the reduction in barbell position variability in the AP direction during an EF may be the by-product of greater postural stability derived from greater automaticity. This rationale is more consistent with previous findings made by Polskaia et al (2014), Richer et al (2017), and the constrained action hypothesis. According to this hypothesis, consciously attending to one's movements (i.e.…”

Section: Attentional Focus Effects On Posture During the Conventionalsupporting

confidence: 92%

“…EF) may promote the automaticity of said motor control processes (McNevin, Shea, & Wulf, 2003). However, without EMG, Polskaia et al (2014) were unable to determine if the greater postural stability from the EF was from an increase in automaticity, or if it was due to an ankle stiffening strategy. Richer et al (2017)'s findings provided evidence (i.e.…”

Section: Attentional Focus Effects On Posture During the Conventionalmentioning

confidence: 99%

“…EF) may promote the automaticity of said motor control processes. Polskaia et al (2014) extended this line of thought by comparing the effects of a continuous cognitive task with an EF and IF during quiet standing. The continuous cognitive task showed the greatest reduction in sway amplitude and variability, and thus superior postural control compared to the attentional focus conditions.…”

Section: Introductionmentioning

confidence: 96%

“…Similarly, it was also hypothesized that subjects performing the COG would exhibit the greatest postural stability (i.e. Smaller COP area, smaller COP standard deviation and greater COP velocity in the anterior-posterior direction) (Polskaia, Richer, Dionne, & Lajoie, 2014;Richer, Saunders, Polskaia, & Lajoie, 2017) leading to greater force production (Chulvi-Medrano et al, 2010) when compared to an EF followed by an IF.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Effects of Attentional Focus and Dual-tasking on Conventional Deadlift Performance in Experienced Lifters

Chan

Robertson

Lajoie

2019

IJKSS

Self Cite

View full text Add to dashboard Cite

Background: Previous attentional focus literature suggests that adopting an external focus (EF) results in greater force production through a variety of mechanisms. Objective: The purpose of the present study was to examine the effects of attentional focus and dual-tasking when performing heavily loaded barbell movements that are specific to strength-based sports. Method: Fifteen resistance-trained males (age = 23.3 ± 3.4 years) reported to the laboratory for three visits. The first visit consisted of a five-repetition maximum (5RM) test on the conventional deadlift. During the subsequent sessions, the participants performed a total of twelve single conventional deadlift repetitions while adopting an internal focus (IF), an external focus (EF), or while performing the cognitive task (COG). The IF and EF consisted of focusing on activating the quadriceps and maintaining a straight bar path, respectively. The COG consisted of counting the total occurrence of two single-digits in a sequence of three-digit numbers, separately. Three-dimensional motion capture and force platforms were used to collect kinematic and kinetic data. Results: No significant differences were found between the IF, the EF and the COG for lift duration, peak barbell velocity, peak vertical ground reaction force, area of 95% confidence ellipse, peak hip moments and peak hip powers. Adopting an EF significantly reduced variability of the barbell trajectory and centre of pressure (COP) in the anterior-posterior direction. Mean velocity of COP was also significantly lower for the EF. Conclusion: Our findings suggest that adopting an EF may lead to greater postural stability when performing heavily loaded barbell movements.

show abstract

Section: Dual-tasking Effects On Conventional Deadlift Performancecontrasting

confidence: 99%

Section: Attentional Focus Effects On Posture During the Conventionalsupporting

confidence: 92%

Section: Attentional Focus Effects On Posture During the Conventionalmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Effects of Attentional Focus and Dual-tasking on Conventional Deadlift Performance in Experienced Lifters

Chan

Robertson

Lajoie

2019

IJKSS

Self Cite

View full text Add to dashboard Cite

show abstract

How Does Postural Control in Patients with Functional Motor Disorders Adapt to Multitasking‐Based Immersive Virtual Reality?

Gandolfi,

Sandri,

Menaspà

et al. 2024

Movement Disord Clin Pract

View full text Add to dashboard Cite

BackgroundMotor symptoms in functional motor disorders (FMDs) refer to involuntary, but learned, altered movement patterns associated with aberrant self‐focus, sense of agency, and belief/expectations. These conditions commonly lead to impaired posture control, raising the likelihood of falls and disability. Utilizing visual and cognitive tasks to manipulate attentional focus, virtual reality (VR) integrated with posturography is a promising tool for exploring postural control disorders.ObjectivesTo investigate whether postural control can be adapted by manipulating attentional focus in a 3D immersive VR environment.Methodswe compared postural parameters in 17 FMDs patients and 19 age‐matched healthy controls over a single session under four increasingly more complex and attention‐demanding conditions: simple fixation task (1) in the real room and (2) in 3D VR room‐like condition; complex fixation task in a 3D VR city‐like condition (3) avoiding distractors and (4) counting them. Dual‐task effect (DTE) measured the relative change in performance induced by the different attention‐demanding conditions on postural parameters.ResultsPatients reduced sway area and mediolateral center of pressure displacement velocity DTE compared to controls (all, p <0.049), but only under condition 4. They also showed a significant reduction in the sway area DTE under condition 4 compared to condition 3 (p=0.025).ConclusionsThis study provides novel preliminary evidence for the value of a 3D immersive VR environment combined with different attention‐demanding conditions in adapting postural control in patients with FMDs. As supported by quantitative and objective posturographic measures, our findings may inform interventions to explore FMDs pathophysiology.This article is protected by copyright. All rights reserved.

show abstract

Multitasking During Continuous Task Demands: The Cognitive Costs of Concurrent Sensorimotor Activities

Johannsen

Humbeeck²,

Krampe³

2022

Handbook of Human Multitasking

View full text Add to dashboard Cite

Continuous cognitive task promotes greater postural stability than an internal or external focus of attention

Cited by 77 publications

References 25 publications

Effects of Attentional Focus and Dual-tasking on Conventional Deadlift Performance in Experienced Lifters

Effects of Attentional Focus and Dual-tasking on Conventional Deadlift Performance in Experienced Lifters

How Does Postural Control in Patients with Functional Motor Disorders Adapt to Multitasking‐Based Immersive Virtual Reality?

Multitasking During Continuous Task Demands: The Cognitive Costs of Concurrent Sensorimotor Activities

Contact Info

Product

Resources

About