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Making Sense of Listening: The IMAP Test Battery

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The Biber Cognitive Estimation Test.

Sarah E Bullard¹, Deborah Fein, Mary Kay Gleeson

¹Department of Psychology, University of Connecticut, 406 Babbidge Rd., U-20, Storrs, CT 06269-1020, USA.

Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists

|August 4, 2004

Summary

The Biber Cognitive Estimation Test (BCET) provides normative data for cognitive estimation skills. This test effectively distinguishes between healthy elderly individuals and those with dementia.

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Area of Science:

Neuropsychology
Cognitive Psychology
Gerontology

Background:

Cognitive estimation is a complex function involving multiple brain regions.
Dementia, including Alzheimer's disease and Parkinson's disease dementia, significantly impairs cognitive functions.
A validated tool is needed to assess cognitive estimation deficits in the elderly.

Purpose of the Study:

To establish normative data for the Biber Cognitive Estimation Test (BCET).
To determine cut-off scores for identifying impaired cognitive estimation.
To validate the BCET's ability to differentiate between demented and non-demented elderly individuals.

Main Methods:

Collected normative data from 113 participants for the 20-item BCET.
Performed cross-validation with an additional 49 participants.
Administered the BCET to elderly participants with dementia (Alzheimer's type, Parkinson's disease dementia) and healthy controls.

Main Results:

Provided a range of normal answers for each BCET item.
Suggested an initial cut-off score for impaired performance, with a more conservative score identified upon cross-validation.
The BCET demonstrated significant ability to distinguish between demented and intact elderly participants.

Conclusions:

The Biber Cognitive Estimation Test is a reliable measure for assessing cognitive estimation.
The BCET can serve as a valuable tool in the neuropsychological assessment of dementia.
Normative data and validated cut-offs enhance the clinical utility of the BCET.