Squeezing lemons in the bathroom: Contextual information modulates action recognition

Wurm, Moritz F.; Schubotz, Ricarda Ines

doi:10.1016/j.neuroimage.2011.08.038

Cited by 57 publications

(51 citation statements)

References 48 publications

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“…No modulations were observed at 80 ms. Importantly, both effects were found in a time window (Ͼ240 ms) where, we can assume, contextual information had already been fully processed (Biederman et al, 1974;Thorpe et al, 1996;Bar et al, 2006;Kveraga et al, 2007).…”

Section: Discussionmentioning

confidence: 96%

“…Notably, the last time window of the video clips depicted the closing phase of the movement, when the hand aperture was minimal. It has been previously shown that mirror-like motor facilitation of the FDI muscle decreases during observation of the end posture of an action, where the hand has maximal finger closure (Urgesi et al, 2006(Urgesi et al, , 2010. These findings might reflect this phenomenon, showing that the time course of motor activation triggered by action observation parallels the dynamics of movement execution (Gangitano et al, 2001(Gangitano et al, , 2004Montagna et al, 2005).…”

Section: Grip Analysismentioning

confidence: 89%

“…Single-pulse transcranial magnetic stimulation (spTMS) studies show that observing others' movements covertly facilitates the observers' motor system in a selective manner, mapping the effector that would be actually involved in the execution of the perceived movement (Fadiga et al, 2005;Alaerts et al, 2009;Urgesi et al, 2010). Most previous studies, however, have used movements detached from background as visual stimuli.…”

Section: Introductionmentioning

confidence: 99%

“…However, the possibility that both inhibitory and facilitatory mechanisms may coexist in contextual modulation of action representation and how they unfold in time are important issues that remain unexplored. Recent TMS studies have shown that topdown factors, such as newly learned visuomotor associations (Barchiesi and Cattaneo, 2013;Cavallo et al, 2014;Ubaldi et al, 2015), task instructions (Bardi et al, 2015), sequencing learning (Candidi et al, 2014), and the moral content of an intention (Liuzza et al, 2015), modulate motor facilitation only at later stages of action processing (ϳ200 -300 ms after action onset). These results align with the proposal of a two-stage model of how action observation modulates corticospinal excitability (CSE) in humans (Naish et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

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Tracking the Time Course of Top-Down Contextual Effects on Motor Responses during Action Comprehension

2016

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Context plays a key role in coding high-level components of others' behavior, including the goal and the intention of an observed action. However, little is known about its possible role in shaping lower levels of action processing, such as simulating action kinematics and muscular activity. Furthermore, there is no evidence regarding the time course and the neural mechanisms subserving this modulation. To address these issues, we combined single-pulse transcranial magnetic stimulation and motor-evoked potentials while healthy humans watched videos of everyday actions embedded in congruent, incongruent, or ambiguous contexts. Video endings were occluded from view and participants had to predict action unfolding. Transcranial magnetic stimulation was delivered at 80, 240, and 400 ms after action onset. An earlier selective facilitation of motor resonance occurring at 240 ms was observed for actions embedded in congruent contexts, compared with those occurring in incongruent and ambiguous ones. Later on, at 400 ms, a selective inhibition of motor resonance was found for actions embedded in incongruent contexts, compared with those taking place in congruent and ambiguous ones. No modulations were observed at 80 ms. Together, these findings indicate that motor resonance can be modulated by contextual information with different timings, depending on the (in)congruency between the different levels of action representation. Furthermore, the different time course of these effects suggests that they stem from partially independent mechanisms, with the early facilitation directly involving M1, and the later inhibition recruiting high-level structures outside the motor system.

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Section: Discussionmentioning

confidence: 96%

Section: Grip Analysismentioning

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Tracking the Time Course of Top-Down Contextual Effects on Motor Responses during Action Comprehension

2016

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“…This was defined as matching the percept of an action to a corresponding action in memory (e.g., Jeannerod 2006). In humans, so-called mirror-neurons contribute to recognising actions and to identifying their goal (Iacoboni et al 2005;Johnson-Frey et al 2003;Kilner, Friston, and Frith 2007;Wurm and Schubotz 2012;Van Overwalle and Baetens 2009). The bartending robot has to rely on computer vision for recognising non-verbal actions.…”

Section: Intention Recognitionmentioning

confidence: 99%

11 Seeking Attention: Testing a Model of Initiating Service Interactions

Loth¹,

Huth²,

Ruiter³

2015

A Multidisciplinary Approach to Service Encounters

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Measuring the prediction of observed actions using an occlusion paradigm: Comparing autistic and non‐autistic adults

et al. 2022

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Action prediction involves observing and predicting the actions of others and plays an important role in social cognition and interacting with others. It is thought to use simulation, whereby the observers use their own motor system to predict the observed actions. As individuals diagnosed with autism are characterized by difficulties understanding the actions of others and motor coordination issues, it is possible that action prediction ability is altered in this population. This study compared action prediction ability between 20 autistic and 22 non‐autistic adults using an occlusion paradigm. Participants watched different videos of a female actor carrying out everyday actions. During each video, the action was transiently occluded by a gray rectangle for 1000 ms. During occlusions, the video was allowed to continue as normal or was moved forward (i.e., appearing to continue too far ahead) or moved backwards (i.e., appearing to continue too far behind). Participants were asked to indicate after each occlusion whether the action continued with the correct timing or was too far ahead/behind. Autistic individuals were less accurate than non‐autistic individuals, particularly when the video was too far behind. A trend analysis suggested that autistic participants were more likely to judge too far behind occlusions as being in time. These preliminary results suggest that prediction ability may be altered in autistic adults, potentially due to slower simulation or a delayed onset of these processes. Lay Summary When we observe other people performing everyday actions, we use their movements to help us understand and predict what they are doing. In this study, we found that autistic compared to non‐autistic adults were slightly less accurate at predicting other people's actions. These findings help to unpick the different ways that social understanding is affected in autism.

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Squeezing lemons in the bathroom: Contextual information modulates action recognition

Cited by 57 publications

References 48 publications

Tracking the Time Course of Top-Down Contextual Effects on Motor Responses during Action Comprehension

Tracking the Time Course of Top-Down Contextual Effects on Motor Responses during Action Comprehension

11 Seeking Attention: Testing a Model of Initiating Service Interactions

Measuring the prediction of observed actions using an occlusion paradigm: Comparing autistic and non‐autistic adults

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