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Table 1 Symptoms due to loss of funtion, when damage is severe and there is total disruption of nerve conduction. Symptoms due to irritation, when the lesion is less severe or nerve conduction is not totally disrupted.

From: Malformations of the craniocervical junction (chiari type I and syringomyelia: classification, diagnosis and treatment)

Symptoms due to loss funtion

Symptoms due to irritation

Motor symptoms

Paresis

Paralysis

Myoclonia

Fasciculations

Spasticity

Sensory symptoms

Hypoaesthesia

Hypoalgesia

Anosmia

Amaurosis

Deafness

Vasodilations

Hypo/anhydrosis

Loss of pilorection

Paraesthesia

Dysaesthesia

Allodynia

Hyperalgesia

Pain

Photopsia

Tinnitus

Vasoconstriction

Hyperhyrosis

Pilorection

Autonomic symptoms