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Gentile E, Brunetti A, Ricci K, Vecchio E, Santoro C, Sibilano E, Bevilacqua V, Iliceto G, Craighero L, de Tommaso M. Effects of movement congruence on motor resonance in early Parkinson's disease. Sci Rep 2023; 13:14887. [PMID: 37689819 PMCID: PMC10492841 DOI: 10.1038/s41598-023-42112-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 09/05/2023] [Indexed: 09/11/2023] Open
Abstract
The observation of action seems to involve the generation of the internal representation of that same action in the observer, a process named motor resonance (MR). The objective of this study was to verify whether an experimental paradigm of action observation in a laboratory context could elicit cortical motor activation in 21 early Parkinson's disease (PD) patients compared to 22 controls. Participants were instructed to simply observe (observation-only session) or to respond (Time-to-contact detection session) at the instant the agent performed a grasping action toward a graspable or ungraspable object. We used functional near-infrared spectroscopy with 20 channels on the motor and premotor brain areas and event-related desynchronization of alpha-mu rhythm. In both groups, response times were more accurate in graspable than ungraspable object trials, suggesting that motor resonance is present in PD patients. In the Time-to-contact detection session, the oxyhemoglobin levels and alpha-mu desynchronization prevailed in the graspable object trials rather than in the ungraspable ones. This study demonstrates the preservation of MR mechanisms in early PD patients. The action observation finalized to a consequent movement can activate cortical networks in patients with early PD, suggesting early rehabilitation interventions taking into account specific observation paradigms preceding motor production.
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Affiliation(s)
- Eleonora Gentile
- Neurophysiopathology Unit, Polyclinic General Hospital, University of Bari "Aldo Moro", 70136, Bari, Italy.
| | - Antonio Brunetti
- Department of Electrical and Information Engineering, Polytechnic University of Bari, 70125, Bari, Italy
| | - Katia Ricci
- Neurophysiopathology Unit, Polyclinic General Hospital, University of Bari "Aldo Moro", 70136, Bari, Italy
| | - Eleonora Vecchio
- Neurophysiopathology Unit, Polyclinic General Hospital, University of Bari "Aldo Moro", 70136, Bari, Italy
| | - Carlo Santoro
- Neurophysiopathology Unit, Polyclinic General Hospital, University of Bari "Aldo Moro", 70136, Bari, Italy
| | - Elena Sibilano
- Department of Electrical and Information Engineering, Polytechnic University of Bari, 70125, Bari, Italy
| | - Vitoantonio Bevilacqua
- Department of Electrical and Information Engineering, Polytechnic University of Bari, 70125, Bari, Italy
| | - Giovanni Iliceto
- Neurophysiopathology Unit, Polyclinic General Hospital, University of Bari "Aldo Moro", 70136, Bari, Italy
| | - Laila Craighero
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121, Ferrara, Italy
| | - Marina de Tommaso
- Neurophysiopathology Unit, Polyclinic General Hospital, University of Bari "Aldo Moro", 70136, Bari, Italy
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Craighero L, Mele S, Gaifas V, Bonaguri E, Straudi S. Evidence of motor resonance in stroke patients with severe upper limb function impairments. Cortex 2023; 159:16-25. [PMID: 36603404 DOI: 10.1016/j.cortex.2022.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 11/04/2022] [Accepted: 11/20/2022] [Indexed: 12/23/2022]
Abstract
For the past fifteen years, observation of actions has proved to be effective in the motor rehabilitation of stroke. Despite this, no evidence has ever been provided that this practice is able to activate the efferent motor system of a limb unable to perform the observed action due to stroke. In fact, transcranial magnetic stimulation cannot easily be used in these patients, and the fMRI evidence is inconclusive. This creates a logical problem, as the effectiveness of action observation in functional recovery is attributed to its ability to evoke action simulation, up to sub-threshold muscle activation (i.e., motor resonance), in healthy individuals. To provide the necessary proof-of-concept, patients with severe upper limb function impairments and matched control participants were submitted to a verified action prediction paradigm. They were asked to watch videos showing gripping movements towards a graspable or an ungraspable object, and to press a button the instant the agent touched the object. The presence of more accurate responses for the graspable object trials is considered an indirect evidence of motor resonance. Participants were required to perform the task in two sessions which differed in the hand used to respond. Despite the serious difficulty of movement, 8 out of 18 patients were able to perform the task with their impaired hand. We found that the responses given by the paretic hand showed a modulation of the action prediction time no different from that showed by the non-paretic hand, which, in turn, did not differ from that showed by the matched control participants. The present proof-of-concept study shows that action observation involves the efferent motor system even when the hand used to respond is unable to perform the observed action due to a cortical lesion, providing the missing evidence to support the already established use of Action Observation Training (AOT) in motor rehabilitation of stroke.
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Affiliation(s)
- Laila Craighero
- Department of Neuroscience and Rehabilitation, University of Ferrara, Via Fossato di Mortara 17/19, 44121 Ferrara, Italy.
| | - Sonia Mele
- Department of Neuroscience, Biomedicine & Movement Sciences, University of Verona, Piazzale Ludovico Antonio Scuro 10, 37124 Verona, Italy.
| | - Valentina Gaifas
- Department of Neuroscience and Rehabilitation, University of Ferrara, Via Fossato di Mortara 17/19, 44121 Ferrara, Italy.
| | - Emma Bonaguri
- Department of Neuroscience and Rehabilitation, University of Ferrara, Via Fossato di Mortara 17/19, 44121 Ferrara, Italy.
| | - Sofia Straudi
- Department of Neuroscience and Rehabilitation, University of Ferrara, Via Fossato di Mortara 17/19, 44121 Ferrara, Italy; Department of Neuroscience and Rehabilitation, Ferrara University Hospital, Via Aldo Moro, 8, 44124 Ferrara, Italy.
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Movement observation activates motor cortex in fibromyalgia patients: a fNIRS study. Sci Rep 2022; 12:4707. [PMID: 35304530 PMCID: PMC8933439 DOI: 10.1038/s41598-022-08578-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 03/03/2022] [Indexed: 11/29/2022] Open
Abstract
Scientific evidence points to a shared neural representation between performing and observing an action. The action observation notoriously determines a modulation of the observer’s sensorimotor system, a phenomenon called Motor Resonance (MR). Fibromyalgia (FM) patients suffer from a condition characterized by generalized musculoskeletal pain in which even simple movement can exacerbate their symptoms. Maladaptive functioning of the primary motor cortex is a common finding in patients with chronic pain. Activation of the motor cortex is known to induce an analgesic effect in patients with chronic pain. In this exploratory study, we intend to verify if the mere observation of a movement could elicit activation of the motor cortical areas in patients with FM. Therefore, the purpose of this study was to examine the presence of MR in patients affected by fibromyalgia. We adopted a behavioral paradigm known for detecting the presence of MR and a neurophysiological experiment. Participants watched videos showing gripping movements towards a graspable or an ungraspable object, respectively, and were asked to press a button the instant the agent touched the object (Time-to-contact detection session). In a different experimental session, participants were only requested to observe and pay attention to the videos (Observation-only session). During each experimental session, the participants’ cerebral hemodynamic activity was recorded using the functional Near-Infrared Spectroscopy method. The behavioral task analysis revealed the presence of MR in both FM patients and healthy controls. Moreover, neurophysiological findings suggested that the observation of movement during the Observation-only session provoked activation and modulation of the cortical motor networks of FM patients. These results could represent evidence of the possible beneficial effects of movement observation in restarting motor activation, notoriously reduced, in FM patients.
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Craighero L, Mele S, Zorzi V. An object-identity probability cueing paradigm during grasping observation: the facilitating effect is present only when the observed kinematics is suitable for the cued object. Front Psychol 2015; 6:1479. [PMID: 26483732 PMCID: PMC4586326 DOI: 10.3389/fpsyg.2015.01479] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 09/14/2015] [Indexed: 11/23/2022] Open
Abstract
Electrophysiological and psychophysical data indicate that grasping observation automatically orients attention toward the incoming interactions between the actor’s hand and the object. The aim of the present study was to clarify if this effect facilitates the detection of a graspable object with the observed action as compared to an ungraspable one. We submitted participants to an object-identity probability cueing experiment in which the two possible targets were of the same dimensions but one of them presented sharp tips at one extreme while the other presented flat faces. At the beginning of each trial the most probable target was briefly shown. After a variable interval, at the same position, the same (75%) or a different target (25%) was presented. Participants had to press a key in response to target appearance. Superimposed to the video showing cue and target, an agent performing the reaching and grasping of the target was presented. The kinematics of the action was or was not suitable for grasping the cued target, according to the absence or presence of the sharp tips. Results showed that response was modulated by the probability of target identity but only when the observed kinematics was suitable to grasp the attended target. A further experiment clarified that response modulation was never present when the superimposed video always showed the agent at a rest position. These findings are discussed at the light of neurophysiological and psychophysical literature, considering the relationship between the motor system and the perception of objects and of others’ actions. We conclude that the prediction of the mechanical events that arise from the interactions between the hand and the attended object is at the basis of the capability to select a graspable object in space.
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Affiliation(s)
- Laila Craighero
- Section of Human Physiology, Department of Biomedical and Specialty Surgical Sciences, University of Ferrara , Ferrara, Italy
| | - Sonia Mele
- Section of Human Physiology, Department of Biomedical and Specialty Surgical Sciences, University of Ferrara , Ferrara, Italy
| | - Valentina Zorzi
- Section of Human Physiology, Department of Biomedical and Specialty Surgical Sciences, University of Ferrara , Ferrara, Italy
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Craighero L, Zorzi V, Canto R, Franca M. Same kinematics but different objects during action observation: Detection times and motor evoked potentials. VISUAL COGNITION 2014. [DOI: 10.1080/13506285.2014.904460] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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