Adnan J Khuraibet

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The vertex Readiness Potential (RP) (Bereitschaftspotential) preceding self paced voluntary movements is reduced in duration and amplitude in patients with Parkinsonism. It cannot be used as an index for delayed initiation of movement. The negative potential is commonly replaced by a positive slow wave. In hemi-Parkinsonism, the abnormal RP is more apparent(More)
Clinico-radiological assessment of three mentally retarded members of a large Bedouin kindred showed lissencephaly, spastic paraparesis, myoclonic epilepsy and cerebellar hypoplasia. It seems that the familial association of lissencephaly/myoclonic epilepsy/cerebellar hypoplasia represents a new entity.
Electrical microstimulation of motor axons in conjunction with single fiber EMG (SFEMG) is increasingly used to measure the jitter of the motor endplates. This study examines the jitter of the stimulation site on the axon when stimulus strength is at threshold. In the absence of spurious blocking, this was found to be 5 microseconds on the average. With(More)
A technique is described of measuring the motor end plate jitter in the orbicularis oculi muscle activated by extra-muscular nerve stimulation, standardised for routine use in diagnosis and evaluation of neuromuscular transmission disorders. Among the advantages of the technique are comparatively quick and easy sampling of adequate number of single motor(More)
Forty one patients with the clinical diagnosis of Behçet's syndrome from two teaching hospitals in Kuwait were studied. There were 34 male and seven female patients. Age at presentation ranged from 14 to 48 years. Neurological manifestations were present in 24 patients. Eleven patients showed evidence of increased intracranial pressure, and 10 of these had(More)
The clinical, electrophysiological, and radiological features of a patient with a typical Miller Fisher Syndrome are reported. The patient has shown a unique affection of the ophthalmic division of the trigeminal nerve. The significance of serial electrophysiological testing particularly blink reflex study is discussed.
Nineteen healthy volunteers (median age, 25; range, 18-51 years) were enrolled in a study to obtain normative values for stimulated jitter in the masseter muscle. Axonal microstimulation was performed via a monopolar needle electrode introduced in the masseter 2-2.5 cm above the mandibular angle on the line connecting it with the lateral canthus. The(More)
Marinesco-Sjögren syndrome is rarely reported in the Middle East. This is the 2nd report of Marinesco-Sjögren syndrome in an Arab family. The clinical features of 2 affected brothers are described. Electrophysiological studies of the 2 patients showed primarily myopathic changes, whereas sural nerve biopsy revealed segmental demyelination and axonal(More)
One week after a flu-like prodrome, an 18-month-old boy developed acute severe, symmetrical, painless weakness and wasting of the shoulder girdle and upper limbs, drooling, dysphagia, dysarthria, atrophy and fasciculations of the tongue. Milder paresis involved the mimic muscles and the neck extensors. The legs were intact with brisk reflexes. The flail(More)
Jitter measurement with axonal microstimulation was used to study synaptic function at 115 neuromuscular junctions (NMJs) of normal subjects at various stimulation rates. Jitter was lowest at 0.5 Hz; it increased slightly at 1, 2, and 5 Hz and remained at that level at 10 Hz (a light work load) and 20 Hz (a heavy work load); and it increased further at 50(More)