Frontal Assessment Battery (FAB)

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  Author(s) : Dr Shanan Khairi
  Last edited on : 29/08/2024

The Rapid Frontal Efficiency Battery (BREF) is a specific screening test for dysexecutive disorders commonly used in the evaluation of dementia syndromes, usually in conjunction with a more general test (such as an MMSE).

A score below 16 (15 in the case of cultural level < 3 = primary = CEP) is considered abnormal but is not very specific. A score below 12 has good specificity (Se 77%, Sp 87%) for identifying fronto-temporal dementia if the MMSE is above 24 (in other dementias such as Alzheimer's disease, all tests are impaired at a more advanced stage).

It can be downloaded with its norms as a pdf :

FAB - Frontal Assessment Battery

As a reminder, the suspicion of a dementia syndrome (or of a loss of autonomy or depressive affects in an elderly patient) should lead to a first-line examination:

  • A complete history and clinical examination
  • Cognitive assessment using MOCA or MSSE + BREF
  • A mini-Cog is an acceptable alternative to systematic screening (to be performed annually on all geriatric patients).
  • Assessment of autonomy via an IADL (ideally, compare answers with someone close to the patient)
  • Affect assessment via a GDS

In the event of positive or doubtful results, cognitive testing by a neuropsychologist should be carried out as a second line.

Author(s)

Dr Shanan Khairi, MD

Bibliography

Dubois B et al, The FAB: a Frontal Assessment Battery at bedside, Neurology, 2000 Dec 12;55(11):1621-6

Slachevsky A et al., Frontal Assessment Battery and Differential Diagnosis of Frontotemporal Dementia and Alzheimer Disease, Archives of Neurology, 2004 61(7): 1104-1107

2015 Review of consensus versions of cognitive tools according to GRECO (Groupe de Réflexion sur les Evaluations Cognitives)