Abstract
The present study investigated the development of the electroencephalograph in the awake gerbil (Meriones unguiculatus). Sixteen gerbils, from five different litters, were used. Electroencephalographs were recorded on each subject, from birth to 30 days of age, using a bipolar scalp electrode arrangement. Each of the electroencephalographs was scored for amplitude in microvolts and frequency. Behavioral and morphological measurements were also taken. There were no apparent developmental theta frequency trends. Voltage did vary systematically over time. These results indicated that the electroencephalograph of the gerbil is adultlike at birth, in contrast to other altricial species.
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