Table 1.

Main neurobehavioral abnormalities in patients with multiple sclerosis.

Symptom	Frequency (%)	Reference(s)
Fatigue	85–95	Jongen et al., 2012, Bergendal et al., 2007
Depression	24	Marrie et al., 2015
Anxiety	22–26	Marrie et al., 2015
Cognitive decline	45–60	Bergendal et al., 2007
Decreased processing speed	20–30	Nabavi and Sangelaji, 2015
Altered attention	25	Nebel et al., 2007