Acute encephalitis lethargica.

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Acute encephalitis lethargica. Public Domain Mark. Source: Wellcome Collection.

About this work


A case demonstration showing loss of equilibrium at an early stage and somnolence at a later stage due to encephalitis lethargica, also known as 'sleepy sickness' or 'sleeping sickness'. 1 segment.


Germany, 1925.

Physical description

1 encoded moving image (2.30 min.) : silent, black and white



Terms of use

Public Domain Mark


Segment 1 An intertitle introduces the case study, saying that the patient showed almost complete anaesthesia of the right side for four weeks, as well as ataxia, disturbance of the equilibrium and a tendency to fall over to the right side. The patient is seen being held up by the doctor; when he lets her go, she falls to the right. An intertitle says that in the eighth week, she began to grow somnolent, although she was completely orientated and rational. The patient is seeing lying in bed. She touches her nose with her left hand, but whilst performing the finger-to-nose test she goes to sleep. Time start: 00:00:00:00 Time end: 00:02:30:00 Length: 00:02:30:00

Creator/production credits

Produced by F. H. Lewy and Berlin University



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