Exploring the Visual Sensitivity for Topological Properties in Newborn Infants

The recruitment status of this study is unknown because the information has not been verified recently.
Verified March 2012 by China Medical University Hospital.
Recruitment status was  Recruiting
Sponsor:
Information provided by (Responsible Party):
Sarina Hui-Lin Chien, China Medical University, China
ClinicalTrials.gov Identifier:
NCT01330537
First received: April 5, 2011
Last updated: March 12, 2012
Last verified: March 2012
  Purpose

The topological perception theory proposed a precise description for how one organizes the visual world that eliminates the vagueness of subjective phenomenology. In addition, the topological theory challenges the dominant computational view on the part-to-whole hierarchy of visual information processing. Lines of evidence from adult psychophysics, brain imaging data, and even honeybee's behavior have supported the notion that the global topological properties are the very primitives of visual representation. However, the question of how the sensitivity to topological properties originates during development has not been explored much. In a previous study, the investigators found that 2- to 6 month old infants could reliably discriminate stimuli based on topological differences, but failed to do so based on geometric differences. Using familiarization/novelty preference procedure, the present study intends to explore the visual sensitivity for topological properties in newborn infants. Experiment 1 focuses on whether neonates can discriminate a disk (no hole) and a ring (with a hole) that are topologically different, and/or a disk (no hole) and a triangle (no hole) that are geometrically different. Experiment 2 focuses on whether neonates can detect a change in the number of holes and/or the size of the hole. If newborn infants are only sensitive to topological properties and not to geometric properties, this will be a strong proof for the claim that topological property is the very "primitive" visual representation at empirical as well as theoretical level.


Condition
Visual Sensitivity in Newborns

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Cross-Sectional
Official Title: Exploring the Visual Sensitivity for Topological Properties in Newborn Infants

Further study details as provided by China Medical University Hospital:

Estimated Enrollment: 80
Study Start Date: April 2011
Estimated Study Completion Date: March 2013
  Eligibility

Ages Eligible for Study:   up to 14 Days
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes
Sampling Method:   Probability Sample
Study Population

full-term and healthy newborns

Criteria

Inclusion Criteria:

  • full-term and healthy newborns

Exclusion Criteria:

  • Eye illnesses or other physical problems
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT01330537

Contacts
Contact: Hsin-Yueh Hsu, M.S. +886921410557 moonie0701@gmail.com
Contact: Yun-Lan Lin, B.S.Med. +886937163049 u9602411@cmu.edu.tw

Locations
Taiwan
China Medical University Recruiting
Taichung, Taiwan, 40402
Contact: Sarina Hui-Lin Chien, PhD    +886930627572    sarinachien@mail.cmu.edu.tw   
Principal Investigator: Sarina Hui-Lin Chien, PhD         
Sponsors and Collaborators
China Medical University Hospital
Investigators
Principal Investigator: Sarina Hui-Lin Chien, PhD Graduate Institute of Neural and Cognitive Sciences, China Medical University, Taiwan
Principal Investigator: Bai-Horng Su, M.D. China Medical University Hospital
  More Information

No publications provided

Responsible Party: Sarina Hui-Lin Chien, Assistant Professor, China Medical University, China
ClinicalTrials.gov Identifier: NCT01330537     History of Changes
Other Study ID Numbers: DMR100-IRB-019
Study First Received: April 5, 2011
Last Updated: March 12, 2012
Health Authority: Taiwan: Department of Health

Keywords provided by China Medical University Hospital:
perceptual development
topological perception theory
familiarization/novelty preference method
Discriminate a disk and a ring (topologically different),
Discriminate a disk and a triangle (geometrically different)
Detect a change in the number of holes
Detect the size of the hole

ClinicalTrials.gov processed this record on September 18, 2014