We agree with these authors that the Frontal Lobe Epilepsy and Parasomnias (FLEP) scale should not be used entirely in isolation: it is designed as an adjunct to, rather than a substitute for, a good clinical evaluation. However, NFLE is not common and, in practice, patients may present to a clinician with limited direct experience of the disorder; the scale may therefore be useful in this setting to assist in the diagnostic process, particularly when video electroencephalography monitoring is not achievable.1
Derry CP, Berkovic SF. Scale for Distinguishing Sleep Disorders From Seizures—Reply. Arch Neurol. 2007;64(8):1206–1207. doi:10.1001/archneur.64.8.1206-b
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