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  • Title: [The effect of body height, age, sex and cerebral hemisphere dominance on somatosensory evoked potentials induced by stimulation of the median nerve].
    Author: Conić S.
    Journal: Srp Arh Celok Lek; 1993; 121(8-12):147-8. PubMed ID: 7725158.
    Abstract:
    Spinal and cortical somatosensory evoked potentials (SEP) to median nerve stimulation were recorded in 72 healthy subjects (38 men, 34 women, aged 44.5 +/- 9.4 years, height 172 +/- 7.9 cm), with the intention to establish the influence of age, height, sex and dominant hemisphere on the latencies of components N9, N13, P15, N20, P22, P40, and the N9-N13, P15-N20, P15-P22 and N13-N20 condition times (interpeak latencies). Significant correlation was found between the age, the height, and all registered SEP components. No significant correlation was found between conduction times and the height, with the exception of N9 N13 conduction time. Significant correlation was found between the age, the sex, and N13-N20 conduction time. For the P15-N20 and P15-P22 conduction times, correlation with the age and sex was poor, and it did not exist for the N9-N13 conduction time. Between the dominant and non-dominant hemisphere there were no significant differences in latencies of SEP components and conduction times. Therefore, the analysis of SEP components and conduction times, must concern the age, the height and the sex. Dominant hemisphere can be neglected because it has no influence on SEP components.
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