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Report is made of two patients with Epilepsia Partialis Continua (E.P.C.) from brain organic damage (since carcinoma metastasis and localized ischemia). Clinical EEG, neuroradiological and anatomo-pathological and therapeutical problems are dealth with the light of a review on previous papers. The EEG by itself is assumed as a not sufficient neurophysiological mean. Long time poligraphic enregistrations during awakeness and sleep havae, on the contrary, produced interesting data. The continuous and localized more or less rhythmic myoclonus, which are the distinctive feature in the E.P.C., were in both the patients confined to the first two fingers of their hands; the more they decreased the deeper was sleep (phase II and III-IV) and almost disappeared in the REM phase. Thus poligraphic enregistrations for E.P.C. patients are maintained as very significant.

the results of a Lithium Carbonate therapy for 14 Cluster headache patients are reported. For all of them a rapid and striking reduction of both the frequency and severity of the attacks was remarked on day doses that varied from patient to patient but never were over 900 mg. Plasmatic as well as RBC lithium levels have been constantly found below the levels generally believed as necessary for the treatment of manic depressive psychosis. The interruption of the treatment after one week without any attacks has never been followed by a new onset of them. Side effects have been checked as rare and scanty, so that all the patients have been allowed to bring the therapy to the conclusion.

The AA. describe a method of gradual occlusion of the portal vein in the rat to induce a hepatic encephalopaty. This method allows to realise a condition of hepatic ischemia and a portal hypertensive state accompanied by spontaneous portal-systemic shunts. These two factors produce a hepatic encephalopaty like in cirrhotic state or in patients after portal systemic anastomosis. A part from similar behavior at the beginning of the encephalopaty it is possible to define two classes of animals: one showing a slow recovery and one showing a transient and slight improvement followed at the end by the death of the animal. The AA. found a definite correlation amoung the clinica, EEG's, serum aminoacids and biochemical data. Probably the different anatomical and phisiological aspects of the induced portal systemic shunts and the different ways of hepatic rivascularization may determine the two different evolutions of the animals.

143 older than 18 years epileptic patients have been considered under the concers of their driving licence. The 33,5% of them was already in hold it. Epilepsy was under different clinical forms. The majority of the subjects would suffer from generalized primary suizures, otherwise from partial fits, either elementar or complex. Subjects who already had the licence (37 over 75 men and 15 over 68 women) were presenting most scanty crisis, or since one year had non suffered from any at all. The frequency of crisis was very low for all the patients who had presented epilepsy before beingin permitted to drive; no question had been raised for them. Subjects without licence (25 men over 42 and 18 women over 53) had not been permitted to drive because of their illness. This group was mainly composed by patients either suffering from epilectic cerebropaty from very frequent fits, or from both. It is maintained as reasonable that italian laws conform to those within other E.E.C. countries for what concerns driving licence for epileptics; these patients, whether controlled, are assumed as well capable as accountable in mastering their condition, even when driving.

A case of the so called "spinal myoclonus" in a 71 year-old-man affected by lung carcinoma is reported. Clinical manifestations and comparison with similar previously described in literature induce to believe in the existence of a myoclonic syndrome, whose pattern seems to give support to the attribute of "spinal", at least as conventional term. An involvement of intercalated neurons is advanced as pathogenic ground. Anyhow, possible suprasegmental implications are also considered.

The authors take into consideration the reactivity of the E.E. Graphic focal anomalies to the i.v. infusion of 10 mg Diazepam. The cases includ 28 patients (15 with cerebral neoplasia, 8 with severe vascular accident, 5 with light vascular accident); among these, 19 showed typical E.E. Graphic focuses after administration of Diapezam, like those previously described by Weber and other Authors. Subjects with severe cerebral lesions and in the third age, after i.v. administration of 10 mg Diazepam showed vegetative disorders (hypotension, tachycardia or bradycardia, apnoea, periodic respiration). The reliability of the reactivity of the EEG focal anomalies to i.v. administration of Diazepam is confuted and the risks of such a methodology in subjects with severe cerebral damage or in the third age, are pointed out.

The historical evolution of P.M.S. nosography is pointed out, and his clinical features are exposed, mainly on the ground of the study performed by Lob and Coll., for the Tenth Marseilled Colloquium. Stress is laid upon the onset age of P.M.S., making reference to a review of 133 cases previously reported in the literature. Two paradigmatic cases are reported, selected between six P.M.S. observations we collected, and electroclinically investigated, from 1972 to 1975: a woman aged 34 who was suffering from P.M. and G.M. seizures since she was 12-years old, and also had some other P.M.S. episodes during past years; a woman aged 45 who suffered from a sudden P.M.S. attack, during a febrile illness: it seemed that it was the first occurrence, but an accurate catamnestic search suggested that previous P.M.S. manifestations had probably occurred during the infancy. Finally P.M.S. nosography is discussed for what concerns the variable features emphasized by our observations, the correlation between P.M. and P.M.S., and the problem of P.M.S. as the sole epileptic phenomenon.

The authors discuss the importance of neurological complications of rheumatic disease, which differ from those of Sydenham's chorea: encephalitis; acute cerebral circulatory insufficiency of cardiovascular basis; thrombosis and cerebral haemorrhage; cerebral emboli; and vasculitis. The case of a 13 year old boy who presented with an acute cerebral episode during an active phase of rheumatic fever is described. The E.E.G. showed a right hemisphere disturbance with a slight involvement of the controlateral hemisphere. The cardiac evidence was indicative of a rheumatic carditis. The clinical progress and EEG were rapidly favourable. The possible pathogenetic hypotheses of this case are taken into consideration, and the authors suggest that one must suspect a rheumatic etiology when an acute cerebral syndrome is established in a child or a young adult with current or previous rheumatic fever.