"notion is reflected" is correct and usable in written English.
You can use it to refer to an idea being expressed or conveyed in some way. For example, "The notion of peace is reflected in his artwork."
Both those notions were reflected in Darmstadt's program: against all odds, a workable overview packed into just over two hours.
"The sporting spirit" -- the concept that sport is above politics, something "neutral" and "pure" which creates goodwill between nations -- is a popular notion which is reflected in the "Olympic values".
The complexity of cancer is reflected by the notion that cancer should not be considered as one disease but as a set of many diseases.
The data support the notion that heterogeneity between synovial tissues is reflected in FLS as a stable trait, and provide evidence for a possible link between FLS behavior and the inflammatory status of RA synovium.
These data support the notion that heterogeneity observed between synovial tissues is reflected in the FLS as a stable trait.
It is a modesty and simplicity that is reflected in her attitude to the notion that male comedians have an advantage.
Roman jurists paid lip service to this notion, which was reflected in the writings of St. Paul (c. 10 67 ce), who described a law "written in the hearts" of the Gentiles (Romans 2 14 15).
This notion is also reflected in heavy-tailed distributions, which are inherently non-Gaussian in nature.
An urge to refute the notion of expertise certainly seemed to be reflected in the headline of an article from the Times of London about the research Brochet has been carrying on — "CHEEKY LITTLE TEST EXPOSES WINE 'EXPERTS' AS WEAK AND FLAT".
Applied to movies, Rao's notion would be that pace might be reflected in the temporal pattern of shot durations and in the energy reflected in a measure of motion – both part of Griffith's (1926) and Pearlman's (2009) analyses – but also reflected in measures relevant to emotion, the aspect of film extolled most by Tan (1996) and by Murch (2001).
