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  • Title: A method for chronically recording brain-stem and cortical auditory evoked potentials from unanesthetized mice.
    Author: Welch TM, Church MW, Shucard DW.
    Journal: Electroencephalogr Clin Neurophysiol; 1985 Jan; 60(1):78-83. PubMed ID: 2578358.
    Abstract:
    Anesthetizing or sedating animals affords control over movement artifact during electrophysiological recording. However, the use of chemical restraint leads to unwanted side effects such as drug-induced hypothermia. Hypothermia is problematic because BAEP amplitudes and latencies are affected significantly by core temperature changes. Moreover, several recent studies have indicated that anesthetics and sedatives may significantly alter the BAEP and CAEP even in thermoregulated subjects. There is a need, therefore, to develop a practical technique for obtaining chronic BAEPs and CAEPs in restrained, unanesthetized animals. The present report describes a technique that permits the gathering of consistent, reliable evoked potential recordings over time in unanesthetized mice. The preparation is useful for studying the CNS effects of pharmacological agents, pathological conditions, aging and development in the mouse and could be adapted for use with other small animals as well.
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