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Saccadic reaction t...
Saccadic reaction times in infants and adults : Spatiotemporal factors, gender, and interlaboratory variation.
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- Kenward, Ben (author)
- Uppsala universitet,Institutionen för psykologi,Oxford Brookes Univ, Oxford, England,Department of Psychology, Oxford Brookes University, UK
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- Koch, Felix-Sebastian, 1977- (author)
- Linköpings universitet,Psykologi,Filosofiska fakulteten,Linköping Univ, Linköping, Sweden
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- Forssman, Linda, 1979- (author)
- Uppsala universitet,Institutionen för psykologi,Univ Tampere, Tampere, Finland,School of Medicine, University of Tampere, Finland
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- Brehm, Julia (author)
- Uppsala universitet,Institutionen för psykologi,Department of Psychology, Uppsala University, Sweden
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- Tidemann, Ida (author)
- Department of Psychology, University of Oslo, Norway,Univ Oslo, Oslo, Norway
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- Sundqvist, Anett (Annette), 1968- (author)
- Linköpings universitet,Psykologi,Filosofiska fakulteten,Linköping Univ, Linköping, Sweden
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- Marciszko, Carin (author)
- Uppsala universitet,Institutionen för psykologi,Department of Psychology, Uppsala University, Sweden
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- Hermansen, Tone Kristine (author)
- Department of Psychology, University of Oslo, Norway,Univ Oslo, Oslo, Norway
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- Heimann, Mikael, 1951- (author)
- Linköpings universitet,Psykologi,Filosofiska fakulteten,Linköping Univ, Linköping, Sweden
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- Gredebäck, Gustaf (author)
- Uppsala universitet,Institutionen för psykologi,Department of Psychology, Uppsala University, Sweden
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(creator_code:org_t)
- 2017-09
- 2017
- English.
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In: Developmental Psychology. - : American Psychological Association (APA). - 0012-1649 .- 1939-0599. ; 53:9, s. 1750-1764
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Abstract
Subject headings
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- Saccade latency is widely used across infant psychology to investigate infants’ understanding of events. Interpreting particular latency values requires knowledge of standard saccadic RTs, but there is no consensus as to typical values. This study provides standard estimates of infants’ (n = 194, ages 9 to 15 months) saccadic RTs under a range of different spatiotemporal conditions. To investigate the reliability of such standard estimates, data is collected at 4 laboratories in 3 countries. Results indicate that reactions to the appearance of a new object are much faster than reactions to the deflection of a currently fixated moving object; upward saccades are slower than downward or horizontal saccades; reactions to more peripheral stimuli are much slower; and this slowdown is greater for boys than girls. There was little decrease in saccadic RTs between 9 and 15 months, indicating that the period of slow development which is protracted into adolescence begins in late infancy. Except for appearance and deflection differences, infant effects were weak or absent in adults (n = 40). Latency estimates and spatiotemporal effects on latency were generally consistent across laboratories, but a number of lab differences in factors such as individual variation were found. Some but not all differences were attributed to minor procedural differences, highlighting the importance of replication. Confidence intervals (95%) for infants’ median reaction latencies for appearance stimuli were 242 to 250 ms and for deflection stimuli 350 to 367 ms. (PsycINFO Database Record (c) 2017 APA, all rights reserved)
Subject headings
- SAMHÄLLSVETENSKAP -- Psykologi (hsv//swe)
- SOCIAL SCIENCES -- Psychology (hsv//eng)
Keyword
- Eye Movements
- Infant Development
- Reaction Time
- Spatial Ability
- Human Sex Differences
- Object Recognition
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Kenward, Ben
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Koch, Felix-Seba ...
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Forssman, Linda, ...
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Brehm, Julia
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Tidemann, Ida
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Sundqvist, Anett ...
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Marciszko, Carin
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Hermansen, Tone ...
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Heimann, Mikael, ...
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Gredebäck, Gusta ...
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- About the subject
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- SOCIAL SCIENCES
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SOCIAL SCIENCES
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and Psychology
- Articles in the publication
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Developmental Ps ...
- By the university
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Linköping University
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Uppsala University