The relationship between attention and static balance disturbance in patients with Parkinson's disease.

Objective: Balance disturbance is one of the main complications of the Parkinson's disease (PD). As studies have shown that impairments in some cognitive processes can lead to balance problems, we investigated the relationship between focused and divided attention and static balance in patients with PD and a healthy control group.

Methods: We included 111 patients with PD (M age = 49.

The development of postural control among children: Repeatability and normative data for computerized dynamic posturography system.

Background: The purpose of this study was to investigate the normal development of postural control in children aged 2-18 years in Tehran, and to provide normative data of computerized dynamic posturography (CDP) device variables.

Methods: The study population included 400 boys and 400 girls aged 2-18 years (eight age groups with 2-year interval) and 100 adults aged 22-25 years. In each age group, 100 people were selected based on the inclusion and exclusion criteria.