# Time Perception Deficits and Attention-Deficit/Hyperactivity Disorder

> **NCT00491647** · — · COMPLETED · sponsor: **National Taiwan University Hospital** · enrollment: 258 (actual)

## Conditions studied

- Attention-deficit/Hyperactivity Disorder

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00491647
- **Lead sponsor:** National Taiwan University Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2006-05
- **Primary completion:** —
- **Final completion:** 2007-06
- **Target enrollment:** 258 (ACTUAL)
- **Last updated:** 2012-11-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00491647

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00491647, "Time Perception Deficits and Attention-Deficit/Hyperactivity Disorder". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT00491647. Licensed CC0.

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