Perception of the temporal pattern of motion in infancy |
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| Affiliation: | 1. Department of Physical Medicine and Rehabilitation, Northwestern University, USA;2. Institute of Biomaterials and Biomedical Engineering, University of Toronto, Canada;3. Department of Bioengineering, Imperial College of Science, Technology and Medicine, UK;1. Laser Center, Faculty pf Physics, Mathematics and Optometry, University of Latvia, 19 Rainis blvd, Riga LV-1586, Latvia;2. Faculty of Physics, Sofia University, 5 James Bourchier blvd., 1164 Sofia, Bulgaria;3. Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Center “Kurchatov Institute”, 188300 Gatchina, Leningrad District, Russia;4. Department of Chemistry, Lomonosov Moscow State University, Moscow, 119991, Leninskie gory 1/3, Russia |
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| Abstract: | Two studies explored infants' perception of the temporal pattern of motion. Study 1 used a familiarization-novelty paradigm to demonstrate that 4-month-old infants discriminate two repetitive temporal patterns (viz., || || vs. ||| |). Study 2 used a preferential-looking paradigm longitudinally at 4 and 8 months with all the possible pairs of three repetitive patterns representing three levels of complexity, namely low (|| || || ||), medium (||| | ||| |), and high (||| || | ||). Visual preference shifted from the medium-complexity pattern at 4 months to the high-complexity pattern at 8 months. Moreover, evidence was obtained at 4 months that infants discriminated between all three patterns of motion. Unexpectedly, infants with complicated deliveries (inductions, forceps, or Caesarean sections) did not, as a group, distinguish among the patterns at 4 months. |
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