The Experts below are selected from a list of 609 Experts worldwide ranked by ideXlab platform
Reint H Geuze - One of the best experts on this subject based on the ideXlab platform.
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relative phase stability of bimanual and visuomanual rhythmic coordination patterns in children with a developmental coordination disorder
Human Movement Science, 1998Co-Authors: M J M Volman, Reint H GeuzeAbstract:Abstract A dynamic pattern approach is used to examine the relative phase stability of rhythmic coordination in 24 children with a Developmental Coordination Disorder (DCD) and 24 matched controls in two functionally different tasks – a within-subject task (bimanual coordination) and a subject-environment task (visuomanual coordination). The stability of basic rhythmic coordination patterns (in-phase and antiphase patterns) was tested by applying perturbations, and by increasing the movement frequency towards the frequency where a loss of stability occurred. Coordination patterns of children with DCD were less stable than those of controls, both in the bimanual and the visuomanual task. According to the dynamic model (Haken, H., Kelso, J.A.S., Bunz, H., 1985. Biological Cybernetics 51, 347–356; Kelso, J.A.S., Delcolle, J.D., Schoner, G., 1990. In: Jeannerod, M. (Ed.), Attention and Performance XIII: Motor Representation and Control. Lawrence Erlbaum, Hillsdale, NJ, pp. 139–169), this reduced stability is due to a weaker coupling strength between the oscillators that represent the rhythmic units involved in the tasks. Further, within the DCD group three subtypes were found on the basis of particularly poor stability in bimanual rhythmic coordination ( N =2), visuomanual rhythmic coordination ( N =4), or both ( N =7). These data were related to the presence of neurological soft signs in the DCD group, which did not reveal specific patterns of minor neurological dysfunction in these children. Theoretical and practical implications of these findings were discussed. PsycINFO classification : 2323; 2330; 3250; 3297
M J M Volman - One of the best experts on this subject based on the ideXlab platform.
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relative phase stability of bimanual and visuomanual rhythmic coordination patterns in children with a developmental coordination disorder
Human Movement Science, 1998Co-Authors: M J M Volman, Reint H GeuzeAbstract:Abstract A dynamic pattern approach is used to examine the relative phase stability of rhythmic coordination in 24 children with a Developmental Coordination Disorder (DCD) and 24 matched controls in two functionally different tasks – a within-subject task (bimanual coordination) and a subject-environment task (visuomanual coordination). The stability of basic rhythmic coordination patterns (in-phase and antiphase patterns) was tested by applying perturbations, and by increasing the movement frequency towards the frequency where a loss of stability occurred. Coordination patterns of children with DCD were less stable than those of controls, both in the bimanual and the visuomanual task. According to the dynamic model (Haken, H., Kelso, J.A.S., Bunz, H., 1985. Biological Cybernetics 51, 347–356; Kelso, J.A.S., Delcolle, J.D., Schoner, G., 1990. In: Jeannerod, M. (Ed.), Attention and Performance XIII: Motor Representation and Control. Lawrence Erlbaum, Hillsdale, NJ, pp. 139–169), this reduced stability is due to a weaker coupling strength between the oscillators that represent the rhythmic units involved in the tasks. Further, within the DCD group three subtypes were found on the basis of particularly poor stability in bimanual rhythmic coordination ( N =2), visuomanual rhythmic coordination ( N =4), or both ( N =7). These data were related to the presence of neurological soft signs in the DCD group, which did not reveal specific patterns of minor neurological dysfunction in these children. Theoretical and practical implications of these findings were discussed. PsycINFO classification : 2323; 2330; 3250; 3297
Diane M Stemarie - One of the best experts on this subject based on the ideXlab platform.
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differential modulation of corticospinal excitability during observation mental imagery and imitation of hand actions
Neuropsychologia, 2004Co-Authors: Shannon E Clark, Francois Tremblay, Diane M StemarieAbstract:Abstract In this study, we attempted to better delineate the changes in corticospinal excitability that accompany perceptual to motor transformations when people are asked to observe, image or imitate actions. Motor evoked potentials (MEP) from transcranial magnetic stimulation were recorded in the first dorsal interosseous (FDI) muscle of the dominant hand (15 right, 4 left) in five different conditions: (1) passive observation; (2) observation to imitate; (3) imagery; (4) imitation; and (5) counting backwards mentally. MEPs were also recorded at rest at the beginning and at the end of the session to establish baseline (BL) values. For the observation conditions, participants (n=19, 18–38 years) watched video sequences (5 s) of hand actions performed by a model with the right arm (passive observation: scissors; observation to imitate: OK sign). Active imitation produced the greatest MEP facilitation compared to baseline, followed by the two observation conditions and the imagery conditions, which all produced similar levels of facilitation (post hoc comparisons). Mental counting produced some facilitation, but this effect was inconsistent. Baseline MEPs remained stable at the end of the session. A further comparison between right-handers (n=15) and left-handers (n=4) revealed no difference in the pattern of modulation across conditions. The similarity found between observation and imagery of hand actions in terms of corticospinal facilitation is interpreted in the light of the motor-simulation theory of Jeannerod [Neuroimage 14 (2001)], which proposes that perceiving actions involves neural simulation of the same action by the observer, thereby explaining the parallel between actions observed and actions imaged at the representational level.
Irène Langlet - One of the best experts on this subject based on the ideXlab platform.
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Jeannerod Dominique (Queen's University, Belfast)
Assises de la recherche « Cultures populaires et médiatiques », 2018Co-Authors: Irène LangletAbstract:Dominique Jeannerod est Lecturer en Etudes Françaises à Queen’s University Belfast (Royaume Uni). Il est l’auteur de San-Antonio et son double (PUF, 2010) et a consacré plusieurs ouvrages et articles au roman policier et au roman noir en France et en Europe. Fondateur du groupe de recherches International Crime Fiction, il anime le site : http://internationalcrimefiction.org
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Offre de poste: DEL Creative Writing doctoral studentship in ‘Radical Crime Fiction’ (Queen's University, Belfast)
Littératures populaires et culture médiatique, 2013Co-Authors: Irène LangletAbstract:Themed PhD studentship awards, commencing September 2013 The School of English, Queen’s University Belfast, is pleased to announce A DEL Creative Writing doctoral studentship in ‘Radical Crime Fiction’ commencing in September 2013. Supervisors: Dr Andrew Pepper (English) and Dr Dominique Jeannerod (French) Applications for this award must be submitted through the Queen’s online application system (on the prospective students’ portal) before the closing date of FRIDAY 22nd February, 2013. ..
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Jeannerod Dominique (Université Queen’s, Belfast, Irlande du Nord)
Littératures populaires et culture médiatique, 2012Co-Authors: Irène LangletAbstract:Dominique Jeannerod est Lecturer en études françaises à l'Université Queen’s de Belfast. Amateur de contes de fées et de romans noirs, il s’intéresse en particulier à la circulation internationale des formes médiatiques et aux variations régionales du roman policier en Europe. Il est également membre de l’Association des amis de San-Antonio, de la Society for French Studies, du Popular Cultures Research Network (University of Leeds) et du groupe interdisciplinaire de recherches sur le polar ..
Shannon E Clark - One of the best experts on this subject based on the ideXlab platform.
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differential modulation of corticospinal excitability during observation mental imagery and imitation of hand actions
Neuropsychologia, 2004Co-Authors: Shannon E Clark, Francois Tremblay, Diane M StemarieAbstract:Abstract In this study, we attempted to better delineate the changes in corticospinal excitability that accompany perceptual to motor transformations when people are asked to observe, image or imitate actions. Motor evoked potentials (MEP) from transcranial magnetic stimulation were recorded in the first dorsal interosseous (FDI) muscle of the dominant hand (15 right, 4 left) in five different conditions: (1) passive observation; (2) observation to imitate; (3) imagery; (4) imitation; and (5) counting backwards mentally. MEPs were also recorded at rest at the beginning and at the end of the session to establish baseline (BL) values. For the observation conditions, participants (n=19, 18–38 years) watched video sequences (5 s) of hand actions performed by a model with the right arm (passive observation: scissors; observation to imitate: OK sign). Active imitation produced the greatest MEP facilitation compared to baseline, followed by the two observation conditions and the imagery conditions, which all produced similar levels of facilitation (post hoc comparisons). Mental counting produced some facilitation, but this effect was inconsistent. Baseline MEPs remained stable at the end of the session. A further comparison between right-handers (n=15) and left-handers (n=4) revealed no difference in the pattern of modulation across conditions. The similarity found between observation and imagery of hand actions in terms of corticospinal facilitation is interpreted in the light of the motor-simulation theory of Jeannerod [Neuroimage 14 (2001)], which proposes that perceiving actions involves neural simulation of the same action by the observer, thereby explaining the parallel between actions observed and actions imaged at the representational level.