Alzheimer's Disease Parkinson's Disease Multiple Sclerosis Dementia ALS Amyotrophic Lateral Sclerosis Guillain-Barré Syndrome Motor Neurone Disease Stiff-Person Syndrome Stiff Person Syndrome Guillain-Barre Syndrome Stroke Amyotrophic Lateral Sclerosis (ALS) Aphasia Frontotemporal Dementia Movement Disorders Prion Diseases Epilepsy Cognitive Impairment Lewy Body Dementia Motor Neuron Disease Cognitive Decline Autoimmune Disorders Havana Syndrome Alzheimer's Multiple Sclerosis (MS) Comparison Brain Lesions Chronic Traumatic Encephalopathy Stiff Person Syndrome (SPS) Brain Infections Parasites Neurocysticercosis Neuropathy Health Issues Restless Legs Syndrome Restless Leg Syndrome Hearing Disorders Stiff person syndrome Alzheimer's disease Memory Disorders Botulism Autism Brain Diseases Degenerative Diseases Charcot's Disease Rare Diseases Bell's Palsy Creutzfeldt-Jakob Disease Amyloid-Beta Protein Plaques Paraneoplastic Neurological Syndrome Headaches Neurodegenerative Disorders Primary Progressive Aphasia Symptoms Cognitive Disorders Huntington's Disease Polio Functional Neurological Disorders