Total 48 clinical symptoms reported for Infantile neuroaxonal dystrophy 
Cerebellar atrophy Cerebellar atrophy is defined as a cerebellum with initially normal structures, in a posterior fossa with normal size, which displays enlarged fissures (interfolial spaces) in comparison to the foliae secondary to loss of tissue. Cerebellar atrophy implies irreversible loss of tissue and result from an ongoing progressive disease until a final stage is reached or a single injury, e.g. an intoxication or infectious event.
 
Synonyms:Atrophic cerebellum; Degeneration of cerebellum
Very frequent
Developmental regression Loss of developmental skills, as manifested by loss of developmental milestones.
 
Synonyms:Loss of developmental milestones; Mental deterioration in childhood; Neurodevelopmental regression; Psychomotor regression; Psychomotor regression beginning in infancy; Psychomotor regression in infants; Psychomotor regression, progressive
Very frequent
Psychomotor deterioration Loss of previously present mental and motor abilities.
 
Synonyms:Psychomotor degeneration
Very frequent