The antinociceptive effects of Monechma ciliatum and changes in EEG waves following oral and intrathecal administration in rats

Ajibola B. Meraiyebu; Alexander B. Adelaiye; Odeh S. O

doi:10.1117/12.846101

4 March 2010 The antinociceptive effects of Monechma ciliatum and changes in EEG waves following oral and intrathecal administration in rats

Ajibola B. Meraiyebu, Alexander B. Adelaiye, Odeh S. O

Author Affiliations +

Proceedings Volume 7552, Mechanisms for Low-Light Therapy V; 75520Q (2010) https://doi.org/10.1117/12.846101
Event: SPIE BiOS, 2010, San Francisco, California, United States

Abstract

The research work was carried out to study the effect of Oral and Intrathecal Monechma Ciliatum on antinociception and EEG readings in Wistar Rats. Traditionally the extract is given to women in labour believed to reduce pain and ease parturition, though past works show that it has oesteogenic and oxytotic effects. The rats were divided into 5 major groups. Group 1 served as oral control group while groups 2 and 3 served as oral experimental groups and were treated with 500mg/kg and 1000mg/kg monechma ciliatum respectively. Group 4 served as intrathecal control group treated with intrathecal dextrose and group 5 received 1000mg/kg Monechma Ciliatrum intrathecally. The antinociceptive effect was analysed using a Von Frey's aesthesiometer. Monechma Ciliatum showed significant antinociceptive effect both orally and intrathecally, although it had a greater effect orally and during the first 15 minutes of intrathecal administration. EEG readings were also taken for all the groups and there was a decrease in amplitude and an increase in frequency for high dose (1000mg/ml) experimental groups and the mid brain electrodes produced a change from theta waves (3.5 - 7 waves per second) to alpha waves (7.5 - 13 waves per second) as seen in relaxed persons and caused decreased amplitudes and change in distribution seen in beta waves. Properties similarly accentuated by sedativehypnotic drugs.

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Ajibola B. Meraiyebu, Alexander B. Adelaiye, and Odeh S. O "The antinociceptive effects of Monechma ciliatum and changes in EEG waves following oral and intrathecal administration in rats", Proc. SPIE 7552, Mechanisms for Low-Light Therapy V, 75520Q (4 March 2010); https://doi.org/10.1117/12.846101

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KEYWORDS

Electrodes

Electroencephalography

Brain

Neck

Skin

Head

Pharmacology

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