Neurodegeneration refers to the progressive atrophy and loss of function of neurons, which is present in
neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease.
Neurodegeneration is the progressive loss of structure or function of neurons, including death of neurons. Many
neurodegenerative diseases – including amyotrophic lateral sclerosis, Parkinson's disease, Alzheimer's disease, fatal familial insomnia, and Huntington's disease – occur as a result of
neurodegenerative processes. Such diseases are incurable, resulting in progressive degeneration and/or death of
neuron cells. As research progresses, many similarities appear that relate these diseases to one another on a sub-cellular level. Discovering these similarities offers hope for therapeutic advances that could ameliorate many diseases simultaneously. There are many parallels between different
neurodegenerative disorders including atypical protein assemblies as well as induced cell death.
Neurodegeneration can be found in many different levels of neuronal circuitry ranging from molecular to systemic.
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