Last reviewed · How we verify
NCT00001950
The Development of Categorization
trial in Cognition Disorder in 219 participants. Completed in 23 May 2012.
Quick facts
| Lead sponsor | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) |
|---|---|
| Status | Completed |
| Study type | OBSERVATIONAL |
| Enrollment | 219 |
| Start date | 14 December 1999 |
| Estimated completion | 23 May 2012 |
| Sites | 1 location across United States |
Conditions studied
- Cognition Disorder — all drugs for Cognition Disorder →
- Healthy — all drugs for Healthy →
Sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Who can join
Adults 1 to 3, any sex, with Cognition Disorder or Healthy. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
It is commonly believed that objects in the world can be categorized in at least three different ways or levels. The three levels are basic, superordinate, and subordinate. Previously it was believed that basic categorization presents a cognitive (mental) advantage to children's development. However, recent studies on superordinate categorization has challenged this belief. 1. \<TAB\>Items in superordinate are grouped according to functional purpose, even though they may not share any similarities in how they look (perception). For instance, desks, chairs, and beds do not appear similar but they can be group together in the superordinate category of furniture. 2. \<TAB\>Items in basic categorization share similarities in function and in perception. For instance, chairs can be considered as a basic category. Chairs can share functional and perceptual similarities with many kinds of chairs but are readily distinguished from other types of furniture like beds or desks. 3. \<TAB\>Subordinate categories are subsets of basic categories. For instance, kitchen chairs, desk chairs, and high chairs, are all within the basic category of chairs. Each one is very similar in it's function to the others but is definitely discriminable. This study was developed to investigate the development of categorization at all three levels by using a design in which children between the ages of 1 and 3 years are tested for categorization at all three levels with sets of objects from the same domain (such as vehicle or fruit). Researchers plan to chart when infants develop categorization at the basic, subordinate, and superordinate levels over the two-year period.\<TAB\>...
Publications & conference data
No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.
Verify or expand the search:
- PubMed search for NCT00001950
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT00001950 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Last refreshed: 13 September 2018
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT00001950.
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