text: ALS is a clinical diagnosis. Due to the absence of any disease bio-markers, the presence of both UMN and LMN signs and symptoms in the same body region along with the progression of these symptoms. Modified El-Escorial<unk>  criteria are used for elucidation of electrophysiological changes for the diagnosis of ALS. El- Escorial criteria are also known as Airlie House recommendations. It was revised in a meeting at Awaji Island, Japan in 2006. Current Airlie house recommendations were revised step by step. Awaji criteria have a significant impact on the early diagnosis of ALS. Currently, Gold coast criteria are used for the diagnosis of ALS.
option_0: Amyotrophic lateral sclerosis diagnostic study of choice
option_1: Central pontine myelinolysis diagnostic study of choice
option_2: Parkinson's disease other imaging findings
option_3: Amyotrophic lateral sclerosis differential diagnosis
option_4: Parkinson's disease other diagnostic studies
option_5: Restless legs syndrome diagnostic study of choice
option_6: Multiple sclerosis other diagnostic studies
option_7: Duchenne muscular dystrophy diagnostic study of choice