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Neurosci Res. 2013 Aug;76(4):257-60. doi: 10.1016/j.neures.2013.05.001. Epub 2013 May 9.

Penicillin-induced epileptiform activity elevates focal brain temperature in anesthetized rats.

Author information

1
Department of Brain Science and Engineering, Kyushu Institute of Technology, Kitakyushu, Japan; Consortium of Advanced Epilepsy Treatment (CADET), Japan.

Abstract

To elucidate a relationship between changes in focal brain temperature and severity of abnormal brain activity, epileptiform discharges and behavioral seizures were induced by Penicillin G in anesthetized rats, and focal brain-temperature was measured. Penicillin G was injected into the right primary sensorimotor cortex (400IU/μl). After the injection, epileptiform discharges induced a temperature increase gradually by 0.65±0.24°C. Moreover, when behavioral seizures were induced by reducing the anesthesia level, the temperature was raised by 0.26±0.22°C. These results suggest that elevation of the focal brain temperature is associated with the severity of epileptic activity.

KEYWORDS:

Behavioral seizures; Epileptiform discharges; Focal brain temperature; Penicillin G; Sensorimotor cortex; Thermocouple

PMID:
23665136
DOI:
10.1016/j.neures.2013.05.001
[Indexed for MEDLINE]

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