constructional apraxia
Inability to copy or construct geometric designs and spatial configurations despite intact vision and motor function. Indicates parietal lobe dysfunction and spatial processing deficits.
Full Definition
Constructional apraxia refers to the impaired ability to copy, draw, or construct geometric patterns, designs, or three-dimensional objects despite having normal visual acuity, motor strength, and comprehension of the task. This condition reflects dysfunction in visuospatial processing and spatial construction abilities, typically associated with parietal lobe lesions, particularly in the non-dominant hemisphere. Patients with constructional apraxia may struggle with tasks such as copying simple geometric figures, drawing clock faces, assembling block designs, or building with construction toys. The deficit is often assessed using standardized tests like the Rey-Osterrieth Complex Figure Test or clock drawing tasks. Constructional apraxia can significantly impact daily activities requiring spatial skills, such as dressing, navigating environments, or following visual instructions.
Usage
Usage note: Hyphenate when used as a compound modifier. Distinguish from other types of apraxia.
In Context
- "The patient's constructional apraxia was evident in her inability to copy simple geometric shapes." — Cognitive assessment report
- "Occupational therapy focused on compensatory strategies for constructional apraxia." — Rehabilitation therapy documentation