
The chronic administration of nootropic drug Semax, a peptide analog of ACTH (4-10), normalized the circadian locomotor rhythm in rats (with an increase in its amplitude, a shift in the acrophase, and a change of the spectral characteristics) and reduced the integral chronobiological index. It is suggested that the rhythm-synchronizing chronotropic activity may be a part of the specific effect of this cognitive enhancer.
Male, Adrenocorticotropic Hormone, Animals, Motor Activity, Nootropic Agents, Peptide Fragments, Circadian Rhythm, Rats
Male, Adrenocorticotropic Hormone, Animals, Motor Activity, Nootropic Agents, Peptide Fragments, Circadian Rhythm, Rats
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