Table 2 Clinical differences between Acute Unstable Depressive Syndrome (AUDS) (n = 16) and Major Depressive Episode (n = 16) groups.

Seizures in clinical history

32

6/16

0/16

0.018

Fulfilling clinical criteria for epilepsy

32

5/16

0/16

0.043

Focal or generalized slow, or epileptiform EEG activity**

32

8/16

1/16

0.015

Cerebral MRI pathology (any)

26

2/13

2/13

1.0

Pathological findings at clinical neurological examination indicative of CNS pathology'

24

3/11

1/13

0.60