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Figure 2a: Total moving time spent by the animals at 1, 2, 3 and 4 hours after ICV injection of vehicle (dark gray) or orexin A (light gray). The control animals showed high locomotor activity in the first hour, whereas rats treated with orexin A showed high locomotor activity in the first two hours compared to the fourth hour and in the second hour compared to the other time. The locomotor activity of the orexin A group is high in the first and second hour compared to the control group at 2, 3 and 4 hours.
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