The experience of agency in human-computer interactions: a review

Limerick, Hannah; Coyle, David; Moore, James W.

doi:10.3389/fnhum.2014.00643

Cited by 149 publications

(103 citation statements)

References 54 publications

(73 reference statements)

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“…A compelling speculation in Haggard et al's paper 6 suggests this notion: the repulsion in the involuntary condition "reflects a mental operation to segregate, and thus to discriminate, pairs of events that cannot plausibly be linked by our own causal agency" (p. 384). We suggest such mental operation fits the notion of JoA, as quantified by the time shifts in equation (5) with the detected causality, and the peculiar feeling of causation by the involuntary movement to be FoA, quantified by . Following the above explanation, our theory therefore has a different take of Haggard et al's binding effect that requires intentionality.…”

Section: Discussionmentioning

confidence: 80%

“…It has been posited that SoA is fundamental to the experience of volition 6-9 and to self-consciousness because of its self-other distinction 10-12 , and the degradation of this experience characterizes certain psychiatric and neurological disorders [13][14][15] . Furthermore, SoA has recently been suggested to underpin neuroethics and law due to the role it plays in the social concept of responsibility for one's own actions 5,9,16,17 .…”

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confidence: 99%

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A Bayesian psychophysics model of sense of agency

Legaspi

Toyoizumi

2018

Preprint

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Despite the increasing significance of sense of agency (SoA) research, the literature lacks a formal model: what computational principles underlie SoA, the registration that oneself initiated an action that caused something to happen? We theorize SoA in the framework of optimal Bayesian cue integration with mutually involved principles, namely, reliability of action and outcome sensory signals, their consistency with the causation of the outcome by the action, and the prior belief in causation. We used our Bayesian model to explain the intentional binding effect, hailed as reliable indicator of SoA. Our model explains temporal binding in both self-intended and unintentional actions suggesting that intentionality is not strictly necessary given high confidence in the action causing the outcome. Our Bayesian model also explains that if the sensory cues are reliable, SoA can emerge even for unintended actions. Our formal model therefore posits a precision-dependent causal agency.The number of scientific contributions being added to the theoretical literature of sense of agency (SoA) has significantly increased at least in the past two decades 1,2 . The concept has garnered considerable attention in psychology, philosophy, neuroscience and psychopathology 3 . SoA is the registration 4 that the self initiates an action in order to interact with and influence its external environment 5 . It has been posited that SoA is fundamental to the experience of volition 6-9 and to self-consciousness because of its self-other distinction 10-12 , and the degradation of this experience characterizes certain psychiatric and neurological disorders [13][14][15] . Furthermore, SoA has recently been suggested to underpin neuroethics and law due to the role it plays in the social concept of responsibility for one's own actions 5,9,16,17 .Despite its increasing significance, the literature still lacks the computational principles that underlie SoA. We theorize SoA as the confidence in one's perception of the actionoutcome effect and that it is consistent (e.g., spatially or temporally) with the hypothesis that the action caused the outcome. We adapted the model of Sato, Toyoizumi and Aihara 18 that was originally used to explain the ventriloquism effect as a Bayesian estimate of a common cause behind the consistency of the audiovisual stimuli. Formalizing SoA by this Bayesian psychophysics principle distinguishes our theory from existing works.We compared the predictions of our model to the results of two pertinent intentional binding studies. Intentional binding, which is the perceived compression of the time interval between voluntary action and its outcome, has been reported as reliable implicit measure of SoA and has been used in a large number of studies providing valuable analyses on the temporal perception of action-outcome effects and the nature of SoA 19 . The seminal experiment of Haggard, Clark & Kalogeras 6 investigated the perceived action-outcome timing effects in three conditions: voluntary wherein the subject intentionally...

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Section: Discussionmentioning

confidence: 80%

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confidence: 99%

A Bayesian psychophysics model of sense of agency

Legaspi

Toyoizumi

2018

Preprint

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“…Embodiment is the experience of incorporating the prosthesis into one's body image and actually perceives the prosthesis as part of themselves [7][8][9][10][11]. Without embodiment, a prosthesis is an artificial tool attached to the end of the residual limb.…”

Section: Somatosensation For Prostheses Benefitsmentioning

confidence: 99%

Neural interfaces for somatosensory feedback

Tyler

2015

Current Opinion in Neurology

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Purpose of review-When an individual loses a limb, he/she loses touch with the world and with the people around him/her. Somatosensation is critical to the feeling of connection and control of one's own body. Decades of attempts to replace lost somatosensation by sensory substitutions have been ineffective outside of the laboratory. This review discusses important recent results demonstrating chronic somatosensory restoration through direct peripheral nerve stimulation.Recent findings-Stimulation of peripheral nerves results in somatosensory perception on the phantom limb. Sensations are localized to several independent and functionally relevant locations, such as the fingertips, thenar eminence, ulnar border and dorsal surface. Patterns in stimulation intensity change the perception experience by the user, opening new dimensions on neuromodulation.Summary-Neural interfaces with sophisticated stimulation paradigms create a user's perception of his/her hand to touch and manipulate objects. The pattern of intensity and frequency of stimulation is critical to the quality and intensity of perceived sensation. Restoring feeling has allowed the individuals to, 'feel [my] hand for the first time since the accident,' and 'feel [my] wife touch my hand'. Individuals using a prosthetic hand with sensation can pull cherries and grapes from the stem, open water bottles and move objects without destroying these objects -all while audio and visually deprived. After regaining sensation, phantom pain is eliminated in individuals that had frequent, sometimes debilitating, pain following limb loss. With over 5 subject-years of experience, this work is leading the evolution of a new era in prostheses. Somatosensory prosthetics as a standard procedure to augment and restore somatosensation are now within our reach.

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“…[SoA] is the experience of controlling both one´s body and the external environment" (Limerick et al, 2014, Front. Hum.…”

Section: 4 Provide Clear Causalitymentioning

confidence: 99%

MotionComposer: un dispositivo que convierte el movimiento en música

Wechsler

2018

TAB

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Resumen: La utilización de tecnología de captura de movimiento basada en el vídeo permite hacer música sin necesidad de tocar un instrumento musical, sino gestualizando en el espacio. Con un foco en contextos terapéuticos y pedagógicos, el MotionComposer (MC) es una de las herramientas que están siendo desarrolladas en la actualidad, que permite a todo tipo de usuarios participar, incluyendo a las personas con capacidades diversas. El objetivo de MotionComposer no consiste en conseguir un juego fácil, sino investigar en las relaciones musculares-musicales que están en la base de la expresión sana de la danza y la música. Tras describir brevemente el dispositivo, este artículo describe algunos de sus aspectos terapéuticos y pedagógicos de su uso, incluyendo su facilidad de utilización; la posibilidad de uso y adaptación del dispositivo al movimiento a diversas partes del cuerpo; las posibilidades de programar diversos modos de uso; la causalidad que permite comprender la relación entre gestualidad y sonoridad; la posibilidad de tocar músicas estéticamente interesantes independientemente de las capacidades de las personas; y la posibilidad de utilizarse con múltiples usuarios.Palabras clave: Tecnología musical y terapia; captura de movimiento; danza terapia; música interactiva; danza interactiva.Abstract: Using video-based motion tracking technology, it is possible to make music without touching a musical instrument, but instead by gesturing in space. With a focus on therapeutic, healthcare and pedagogic contexts, the MotionComposer (MC) is one of a small but growing number of tools being developed today which let all kinds of users participate, including those with different abilities. The aim of the MotionComposer is not just to make a fun trick, but rather to delve into the deeper muscle-music relationships that lie at the heart of healthy music and dance expression. After briefly describing the device, this paper describes some of the therapeutic and pedagogical aspects of its use. Using video-based motion tracking technology, it is possible to make music without touching a musical instrument, but instead by gesturing in space. With a focus on therapeutic, healthcare and pedagogic contexts, the MotionComposer (MC) is one of a small but growing number of tools being developed today which let all kinds of users participate, including those with different abilities. The aim of the MotionComposer is not just to make a fun trick, but rather to delve into the deeper muscle-music relationships that lie at the heart of healthy music and dance expression. After briefly describing the device, this paper describes some of the therapeutic and pedagogical aspects of its use.

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The experience of agency in human-computer interactions: a review

Cited by 149 publications

References 54 publications

A Bayesian psychophysics model of sense of agency

A Bayesian psychophysics model of sense of agency

Neural interfaces for somatosensory feedback

MotionComposer: un dispositivo que convierte el movimiento en música

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