J M Hockaday

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The authors describe the clinical and electrophysiological features in 2 cases of ponto-bulbar palsy with deafness, and the clinical course and post-mortem findings in a sibling of one of these, who died in infancy, and who appears to have suffered from the same disease. The cases are compared with 17 previously published cases, and the disease is discussed(More)
In a clinical survey the relation between migraine and menstruation was studied in 142 otherwise healthy women. In 24, onset of migraine coincided with the year of menarch. Of the 138 patients in whom onset of migraine predated the menopause, there were only 13 in whom attacks occurred regularly, and only, just before or during menstruation; in a further 11(More)
The emetic (retching and vomiting) reflex is an important component of the body's defence system against accidentally ingested toxins and emesis is also a common symptom of disease and a side-effect of a number of pharmacological therapies. The development of the reflex has been the subject of few systematic studies. The aim of this study was to(More)
This report describes an infant diagnosed aged twenty-five months as having glutaric aciduria Type 1 (GA 1). Initial presentation was with isolated macrocephaly at four months of age. Severe hypertonia, and dystonia, within 24 hours of minor head injury occurred at nineteen months of age. Serial cranial imaging showed subdural fluid collections, and(More)
A 16-year-old boy with myopathy, ophthalmoplegia, and raised basal metabolic rate was examined by the non-invasive technique of phosphorus-31 nuclear magnetic resonance (31 P NMR). The muscles of the forearm showed an abnormal 31P NMR spectrum with a high inorganic phosphate (Pi) content in relation to phosphocreatine (PCr) (PCr/Pi = 4; control = 10). This(More)
A 14-year-old boy with mitochondrial myopathy is described, and the findings on muscle biopsy shown. He presented with mild weakness, and severe exercise intolerance; examination showed ptosis, external ophthalmoplegia and severe muscle wasting. There was a possible family history of a similar disorder. Metabolic study demonstrated severe lactic acidosis on(More)
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