The phrase "a significant attenuation of" is correct and usable in written English.
It can be used in contexts discussing a reduction or weakening of something, such as a signal, effect, or condition.
Example: "The new technology resulted in a significant attenuation of the noise levels in the environment."
Alternatives: "a considerable reduction in" or "a notable decrease in".
Subcomponent analysis of N2 revealed a significant attenuation of early attentive N2b over prefrontal scalp sites.
There was a significant attenuation of vasorelaxation in tissues pretreated with K+ channel blocker, glybenclamide (10−6 M).
Lidocaine microinjection into the trigeminal spinal nucleus or salivatory nuclei caused a significant attenuation of the LN-induced MBF increases.
Conversely, in antisense-, but not missense-treated rats, a significant attenuation of MDMA-induced neurotoxicity was observed only in the ipsilateral striatum.
5 days pre-treatment with rutin (40 and 80 mg/kg) causes a significant attenuation of locomotor activity, corticosterone level, oxidative stress as compared to control.
Regarding the results, it was found that boiling causes a significant attenuation of the peak-to-peak amplitude of the pressure waves in the cavity.
Furthermore, hCOX-2-Tg mice showed a significant attenuation of the MCD diet-induced increase in oxidative stress and hepatic apoptosis observed in Wt mice.
In addition, deletion of tolC caused a significant attenuation of virulence towards both amoebae and macrophages.
We found that treatment with either TTX or CART produced a significant attenuation of drug-seeking behaviour following cocaine prime.
CART produced a significant attenuation of drug-seeking following drug-prime, with the 2.5 µg dose having the greatest effect.
Indeed, blockade of glutamate neurotransmission on proestrus through use of glutamate receptor antagonists leads to a significant attenuation of the LH surge [13], [14], [37].
