Adult 1 Aged 1 Aged, 80 and over 1 Amyotrophic Lateral Sclerosis 1 Article 1 D50 model Diffusion Tensor Imaging 1 Disease Progression 1 Female 1 Humans 1 Male 1 Middle Aged 1 Models, Neurological 1 TBSS 1 White Matter 1 adult 1 aged 1 amyotrophic lateral sclerosis 1 axial diffusivity 1 biological model 1 case control study 1 cohort analysis 1 controlled study 1 corpus callosum 1 diagnostic imaging 1 diffusion tensor imaging 1 disease activity 1 disease aggressiveness 1 disease association 1 disease exacerbation 1