Self-Controlled Feedback: Does it Enhance Learning Because Performers Get Feedback When They Need It?

Chiviacowsky, Suzete; Wulf, Gabriele

doi:10.1080/02701367.2002.10609040

Cited by 268 publications

(407 citation statements)

References 29 publications

(42 reference statements)

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“…This type of self-feedback has been used and implemented earlier in the Fabry-Perot laser diode system, 22 biological system to control complex motor task, 23 and learning. 24 Another variant of the self-feedback control is the paradigmatic Pyragas control technique 18 where an additional time-delayed version of the variable is used. In this paper, our goal is to study the effect of the self-feedback term on birhythmicity; we concentrate on the fact that how the self-feedback parameter d affects the birhythmic oscillation.…”

Section: B the Self-feedback Control Schemementioning

confidence: 99%

Control of birhythmicity: A self-feedback approach

Biswas

Banerjee

Kurths

2017

Chaos: An Interdisciplinary Journal of Nonlinear Science

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Birhythmicity occurs in many natural and artificial systems. In this paper, we propose a selffeedback scheme to control birhythmicity. To establish the efficacy and generality of the proposed control scheme, we apply it on three birhythmic oscillators from diverse fields of natural science, namely, an energy harvesting system, the p53-Mdm2 network for protein genesis (the OAK model), and a glycolysis model (modified Decroly-Goldbeter model). Using the harmonic decomposition technique and energy balance method, we derive the analytical conditions for the control of birhythmicity. A detailed numerical bifurcation analysis in the parameter space establishes that the control scheme is capable of eliminating birhythmicity and it can also induce transitions between different forms of bistability. As the proposed control scheme is quite general, it can be applied for control of several real systems, particularly in biochemical and engineering systems. Multistability appears in diverse forms, and their study is an exciting topic of research in science and engineering. A particular form of multistability is bistability: it shows many variants, such as the coexistence of two stable steady states (SSS), one stable steady state and one stable limit cycle (LC), two stable limit cycles, or two chaotic attractors. Birhythmicity is the phenomenon of coexistence of two stable limit cycles separated by an unstable limit cycle with different amplitudes and frequencies. In many physical systems, birhythmicity is undesirable as in energy harvesting systems, but in most biological systems, e.g., enzymatic oscillations, it is desirable. Therefore, control of birhythmicity is of utmost importance. Although the control of multistability is a well studied topic, the control of birhythmicity has not been explored to that extent. In this paper, we propose a control scheme that can effectively control and, whenever required, can eliminate birhythmicity. We theoretically explore and numerically establish the technique of control of birhythmicity and transitions to any desired attractor. A number of engineering and biological systems are investigated with the proposed control scheme to establish the efficacy and generality of the scheme. The main essence of this control scheme lies in the fact that it is easily realizable and offers an efficient mean to control birhythmicity.

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Section: B the Self-feedback Control Schemementioning

confidence: 99%

Control of birhythmicity: A self-feedback approach

Biswas

Banerjee

Kurths

2017

Chaos: An Interdisciplinary Journal of Nonlinear Science

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“…The purpose of this procedure is to control for the amount and scheduling of feedback or whichever variable is under the learner' s control. Several studies found benefits of self-controlled feedback schedules [17][18][19] . Learning advantages have also been shown for other types of self-controlled practice, such as the self-controlled use of physical assistive devices 20,21 , or giving the learners the opportunity to decide when to watch a video model of a skilled performer 22 .…”

Section: Introductionmentioning

confidence: 99%

“…Examining how motor skill learning can be enhanced in persons with DS is not only of theoretical interest, but may also have important practical implications for the lives of those affected by DS. Given the ostensibly powerful learning effects of self-controlled practice conditions -that provide learners with a certain degree of autonomy -seen in typical adults and children 17,31,32 , we wanted to examine whether similar learning advantages would be found in participants with DS. We predicted that self-controlled practice, in particular the ability to choose when to receive feedback, would result in more effective learning compared to a practice condition without this opportunity (yoked group).…”

Section: Introductionmentioning

confidence: 99%

Self-controlled feedback enhances learning in adults with Down syndrome

Chiviacowsky¹,

Wulf²,

Machado³

et al. 2012

Rev. bras. fisioter.

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“…Chiviacowsky et al 22) reported that the error rate of a self-controlled group in a key push task on a computer key-board decreased more than that of a yoked feedback group. In addition, Wulf et al 24) indicated that acquisition of ski movement in a self-controlled feedback group was better than that in a yoked feedback group in motor learning on a ski simulator.…”

Section: Introductionmentioning

confidence: 99%

“…Recent studies have demonstrated that training protocols incorporating some forms of self-control can be effective in motor skill learning 22,23) . In studies of self-controlled feedback, learners decide when they want to receive feedback about their movement in a motor task.…”

Section: Introductionmentioning

confidence: 99%

Effects of Self-Controlled Feedback on Balance during Blocked Training for Patients with Cerebrovascular Accident

et al. 2013

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Abstract.[Purpose] The purpose of the present study was to examine the effects of self-controlled feedback on the acquisition and retention of blocked balance training by patients with cerebrovascular accident (CVA).[Subjects] Twenty-four hemiplegics were randomly assigned to a self-controlled feedback, yoked feedback or control group. All subjects were ambulatory with or without an assistive device. The self-controlled feedback group was provided with feedback whenever they requested it, whereas the yoked feedback group had no influence on the feedback schedule. All subjects performed 10 acquisition trials per block × four blocks, and 10 retention trials per block × two blocks one-day later. The data were analyzed using one-way ANOVA and multivariate ANOVA. [Results] In the body sway amplitudes of acquisition phase which was used, to examine practice effect, the left/right (LR) and anterior/posterior (AP) both the self-controlled and yoked feedback groups were significantly smaller than those of the control group, but no significant differences were found between the self-controlled and yoked feedback groups. In the retention phase, to examine learning effect, the left/right (LR) and anterior/posterior (AP) body sway amplitudes of the self-controlled group were significantly smaller than those of both the yoked feedback and control groups.[Conclusion] These results are interpreted to mean that, for hemiplegic patients, self-controlled feedback is a more effective way of restoring balance than yoked feedback.

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Self-Controlled Feedback: Does it Enhance Learning Because Performers Get Feedback When They Need It?

Cited by 268 publications

References 29 publications

Control of birhythmicity: A self-feedback approach

Control of birhythmicity: A self-feedback approach

Self-controlled feedback enhances learning in adults with Down syndrome

Effects of Self-Controlled Feedback on Balance during Blocked Training for Patients with Cerebrovascular Accident

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