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Sökning: WFRF:(Madison Guy)

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51.
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52.
  • Juslin, Patrik N, et al. (författare)
  • The role of timing patterns in recognition of emotional expression from musical performance
  • 1999
  • Ingår i: MUSIC PERCEPTION. - 0730-7829. ; 17:2, s. 197-221
  • Tidskriftsartikel (refereegranskat)abstract
    • The purpose of this study was to explore whether listeners can use timing patterns to decode the intended emotional expression of musical performances. We gradually removed different expressive cues (tempo, dynamics, timing, articulation) from piano performances rendered with various intended expressions (anger, sadness, happiness, fear) to see how such manipulations would affect a listener's ability to decode the emotional expression. The results show that (a) removing the timing patterns yielded a significant decrease in listeners' decoding accuracy, (b) timing patterns were by themselves capable of communicating some emotions with acuracy better than chance, and (c) timing patterns were less effective in communicating emotions than were tempo and dynamics. Implications for research on timing are discussed.
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53.
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54.
  • Karampela, Olympia, 1983- (författare)
  • Exploring models of time processing : effects of training and modality, and the relationship with cognition in rhythmic motor tasks
  • 2017
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • Timing can be defined as the ability to perceive temporal sequences and regulate timed behaviors. As in other animals, our ability to make accurate time estimations is crucial in order to accomplish several activities. Organisms can process time over a wide range of durations ranging from microseconds to days. In the middle of these extremes is the hundreds of milliseconds to seconds range which is important for many everyday behaviors, such as walking, speaking and dancing. Yet, how this is managed remains poorly understood. Some central issues with regard time processing in this particular time range are whether timing is governed by one, or by several different mechanisms, possibly invoked by different effectors used to perform the timing task, as well as, if cognitive capacities are also involved in rhythmic motor timing.This thesis includes three studies. Study I investigated the effects of short- term practice on a motor timing task. Analyses of the timing variability indicated that a substantial amount of learning occurred in the first hour of practice and declined afterwards, exhibiting no trend for further decrease across the remaining 60 or 210 minutes. This effect was similar across effector, amount of feedback, and interval duration. Our results suggested that training effects influenced mainly motor precision and raised the question of whether motor timing training influenced also cognitive capacities.Study II investigated the relationship between motor timing and cognition. Specifically, participants had to train a sensorimotor synchronization task (SMS) over several days, and the question was whether this training would improve cognitive performance. A near transfer effect was found between the sensorimotor synchronization task and the sustained attention task, indicating that sustained attention is involved in motor timing.Study III compared the timing variability between the eyes and the hands, as a function of four different intervals, in order to examine whether these systems are temporally controlled by the same or different mechanism(s). The results showed several positive correlations in variability, between the eye and the finger movements, which, however, were significant only for the longer intervals. In addition, they were differences in variability between the eye and the hand, for the different interval durations.In general, the pattern of results from these studies suggested that voluntary motor timing is managed by overlapping distributed mechanisms and that these mechanisms are related to systems that manage cognitive processes, such as attention. The results partially explain the well-known relationships between cognitive ability and timing. 
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55.
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56.
  • Karampela, Olympia, et al. (författare)
  • Motor timing training improves sustained attention performance but not fluid intelligence : near but not far transfer
  • 2020
  • Ingår i: Experimental Brain Research. - : Springer. - 0014-4819 .- 1432-1106. ; 238:4, s. 1051-1060
  • Tidskriftsartikel (refereegranskat)abstract
    • ssociations between cognitive and motor timing performance are documented in hundreds of studies. A core finding is a correlation of about − 0.3 to − 0.5 between psychometric intelligence and time interval production variability and reaction time, but the nature of the relationship remains unclear. Here, we investigated whether this relation is subject to near and far transfer across a battery of cognitive and timing tasks. These tasks were administered pre- and post-five daily 30 min sessions of sensorimotor synchronization training with feedback for every interval. The training group exhibited increased sustained attention performance in Conners’ Continuous Performance Test II, but no change in the block design and figure weights subtests from the WAIS-IV. A passive control group exhibited no change in performance on any of the timing or cognitive tests. These findings provide evidence for a direct involvement of sustained attention in motor timing as well as near transfer from synchronization to unpaced serial interval production. Implications for the timing–cognition relationship are discussed in light of various putative timing mechanisms.
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57.
  • Karampela, Olympia, et al. (författare)
  • Shared timing variability in eye and finger movements increases with interval duration : support for a distributed timing system below and above one second
  • 2015
  • Ingår i: Quarterly Journal of Experimental Psychology. - : SAGE Publications. - 1747-0218 .- 1747-0226. ; 68:10, s. 1965-1980
  • Tidskriftsartikel (refereegranskat)abstract
    • The origins of the ability to produce action at will at the hundreds of millisecond to second range remain poorly understood. A central issue is whether such timing is governed by one mechanism or by several different mechanisms, possibly invoked by different effectors used to perform the timing task. If two effectors invoke similar timing mechanisms, then they should both produce similar variability increase with interval duration (interonset interval) and thus adhere to Weber's law (increasing linearly with the duration of the interval to be timed). Additionally, if both effectors invoke the same timing mechanism, the variability of the effectors should be highly correlated across participants. To test these possibilities, we assessed the behavioural characteristics across fingers and eyes as effectors and compared the timing variability between and within them as a function of the interval to be produced (interresponse interval). Sixty participants produced isochronous intervals from 524 to 1431 ms with their fingers and their eyes. High correlations within each effector indicated consistent performance within participants. Consistent with a single mechanism, temporal variability in both fingers and eyes followed Weber's law, and significant correlations between eye and finger variability were found for several intervals. These results can support neither the single clock nor the multiple clock hypotheses but instead suggest a partially overlapping distributed timing system.
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58.
  • Konopacki, Mateusz, et al. (författare)
  • EEG Responses to Shamanic Drumming : Does the Suggestion of Trance State Moderate the Strength of Frequency Components?
  • 2018
  • Ingår i: Journal of Sleep and Sleep Disorder Research. - : Open Access Pub. - 2574-4518. ; 1:2, s. 16-25
  • Tidskriftsartikel (refereegranskat)abstract
    • One of the techniques used to induce trance state in shamanic ceremonies is monotonous drumming. According to previous EEG research, certain patterns of drumming cause an increase in power of alpha and theta frequencies of the listener. Present study aimed to determine, if suggestion to experience trance state could increase the relative alpha and theta amplitude and the intensity of experienced state. A group of twenty-four subjects participated in the study. Suggestion to experience trance state decreased alpha frequency power during the drumming condition. No other significant effects of suggestion or drumming were found.
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59.
  • Krantz, Göran, et al. (författare)
  • Melodic intervals and body movement
  • 2003
  • Ingår i: Dance and Education. Proceedings of the 17th International Congress on Dance Research. - Athens, Greece : IOAFA. ; , s. 141-148
  • Konferensbidrag (refereegranskat)
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60.
  • Madison, Guy (författare)
  • Acuity as a function of interonset interval
  • 1998
  • Ingår i: Time and timing in neural systems. Satellite symposium to 1998 Forum meeting of European Neuroscience. - : Strzekecino, Poland: Nencki Institute of Experimental Biology. ; , s. 16-18
  • Konferensbidrag (refereegranskat)
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