Entropy of space-time outcome in a movement speed-accuracy task.
The experiment reported was set-up to investigate the space-time entropy of movement outcome as a function of a range of spatial (10, 20 and 30 cm) and temporal (250-2500 ms) criteria in a discrete aiming task. The variability and information entropy of the movement spatial and temporal errors consi...
| Publicado en: | Human Movement Science Vol. 44; pp. 201 - 211 |
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| Autores principales: | , , |
| Formato: | Journal Article |
| Publicado: |
Elsevier B.V.
Dec2015
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=110789909&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 110789909 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 01679457 3LE jtl: Human Movement Science issn: 01679457 maglogo: N pubinfo: dt: Dec2015 vid: 44 pid: 1004 pub: Elsevier B.V. artinfo: ui: 110789909 110789909 NLM26401614 10.1016/j.humov.2015.09.005 NLM26401614 110789909 ppf: 201 ppct: 10 formats: tig: atl: Entropy of space-time outcome in a movement speed-accuracy task. aug: au: Hsieh, Tsung-Yu Pacheco, Matheus Maia Newell, Karl M. affil: Department of Kinesiology, The Pennsylvania State University, USA sug: subj: Psychomotor Performance Spatial Perception Perception Reaction Time Physics Software Male Young Adult Computers, Hand-Held Female Adult Adult: 19-44 years Male Female ab: The experiment reported was set-up to investigate the space-time entropy of movement outcome as a function of a range of spatial (10, 20 and 30 cm) and temporal (250-2500 ms) criteria in a discrete aiming task. The variability and information entropy of the movement spatial and temporal errors considered separately increased and decreased on the respective dimension as a function of an increment of movement velocity. However, the joint space-time entropy was lowest when the relative contribution of spatial and temporal task criteria was comparable (i.e., mid-range of space-time constraints), and it increased with a greater trade-off between spatial or temporal task demands, revealing a U-shaped function across space-time task criteria. The traditional speed-accuracy functions of spatial error and temporal error considered independently mapped to this joint space-time U-shaped entropy function. The trade-off in movement tasks with joint space-time criteria is between spatial error and timing error, rather than movement speed and accuracy. pubtype: Academic Journal doctype: Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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