Micol Polizzi

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The efficacy of type la synapse on alpha-motoneurons of soleus and lateral gastrocnemius muscles has been investigated, using the H-reflex technique, in athletes engaged in sports requiring very rapid and intense contractions (sprinters and volley-ball players) as well as in non-trained subjects. It has been observed, in both muscles, that the ratio between(More)
The mortality of 918 Sardinian lead-smelter workers followed between 1972 and 2001 is reported. The assessment of individual exposure to inorganic lead was based on several environmental and blood lead measurements available, for each department and task, between 1985 and 2001. The mortality for all cancers was within the expected numbers (SMR 1.01, n 108).(More)
The temporal sequence of electrophysiological and biochemical correlates of epilepsy induced by systemic injection of kainic acid (15 mg/kg i.p.) was investigated in male rats. A significant decrease in the hippocampal concentration of glutamate and aspartate was observed 20 min after the injection. These decreases preceded both electrographic and(More)
Several recent meta-analyses, although some inconsistencies between studies, provide evidence for subtle deficits in neurobehavioural tests being associated with average blood levels (PbB) between 350 and 600 microg/l and for significant correlations between impairments in some test results and increasing indices present andlor cumulative exposure to(More)
The changes in firing rate of intracerebellar nuclear neurons following electrical stimulation of the contralateral basal ganglia were investigated in adult cats, in which antidromic activation of cortico-pontine and/or cortico-olivar fibers arising in the area 6 had been excluded by chronic ablation of the motor cortex. Activation of putamen and caudate(More)
The mortality of 918 Sardinian lead-smelter workers followed between 1972 and 2001 is reported. The assessment of individual exposure to inorganic lead was based on several environmental and blood lead measurements available, for each department and task, between 1985 and 2001. The mortality for all cancers was within the expected numbers (SMR 1.01, n 108).(More)
The effects induced by training on the H-reflex of soleus and lateral gastrocnemius muscles have been studied on 19 adult male volunteers; out of these, 10 were non-trained subjects and the remaining 9 were top level athletes engaged in sports requiring very rapid and intense contractions (sprinters and volley-ball players). It has been observed that the(More)