ALS Cognitive Dysfunction Heterogeneity Pinned to Distinct Cell Networks
Researchers have identified distinct cellular networks in the brain that correlate with different cognitive symptoms in ALS patients. By mapping these molecular signatures, the study suggests that cognitive decline in ALS is biologically heterogeneous rather than a single pathological process.
Amyotrophic lateral sclerosis (ALS) has long been viewed through the lens of motor neuron degeneration. Yet for nearly half of patients, the disease extends well beyond movement, producing impairments in executive function, language, behavior, and, in some cases, frontotemporal dementia. While ALS’s cognitive symptoms are increasingly recognized clinically, their biological basis has remained poorly understood.
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