Kolodynski AA, and Kolodynska VV.

In this study 966 Grade 9 children were examined. Of these, 224 lived in areas in Skrunda facing an early warning military radio location station which operates at frequencies of 154 - 162 MHz, with a pulse frequency of 24.4 Hz. Three hundred and eighty five children lived in areas of Skrunda not directly exposed to the station (i.e. these are "unexposed"). A control group of 2357 were examined from the Preili region, which is said to be similar to the Skrunda region.

A variety of motor function, attention, and memory tests were performed. These tended to be worse in the Skrunda exposed than in the unexposed, which in turn were worse than the Preili controls. This was especially true for the girls.

This study is difficult to interpret for a number of reasons. There were less boys than girls in Skrunda, which is unexplained; the exposure of each individual child could not be measured; it is possible that the children moved in and out of the "exposed" zone; confounding is a possibility - e.g. by socioeconomic status, educational level of parents, etc; and the results are not all presented in sufficient detail to allow analysis.

The authors state in their paper that more research is planned.

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