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Severe Impairment Battery (SIB)

Product Description

The SIB has become a benchmark assessment used extensively in worldwide clinical trials by drug companies seeking to develop treatments to combat Alzheimer's disease.

Why is the SIB valuable?

The SIB gathers direct performance-based data on a wide variety of low level tasks which take into account the specific behavioural and cognitive deficits associated with severe dementia.

This objective assessment of the relative impairment of different areas of cognitive functioning enhances our understanding of the disease process and provides valuable clinical information regarding the later stages of dementia.

The SIB evaluates cognitive abilities at the lower end of the range. The test was designed with the severely demented patient in mind. It is composed of simple one-step commands and gestural cues, and it allows for a variety of simple responses.


The SIB is designed to be psychometrically reliable and allows for repeated assessments. Each subscale yields scores to assess mild to moderate dementia.

The six major subscales are:

  • attention
  • orientation
  • language
  • memory
  • visuo-spatial ability
  • construction.

In addition, there are also brief evaluations of praxis, social interaction and orienting to name.

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Price list

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If your required component is not listed, please contact Customer Services on: or 0845 630 88 88 (Calls cost 3p per minute plus your phone company's access charge).

Complete kit:

Includes manual, 25 scoring sheets, stimulus cards, plastic shapes, spoon, cup, full distractor pack in a bag
£348.00 inc VAT
Scoring sheets, pack of 25
£85.20 inc VAT
£37.50 inc VAT

Key Information


Assess severe dementia in the elderly


A A Swihart

Francois Boller

Judy Saxton

K L McGonigle

Publication Year


Age Range

51 years to 91 years


Individual - 20 minutes

Qualification Code


£290.00 (Complete kit price from)
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