From Astrobiology Magazine, 12 Apr 2018
Yes, they’re legit. I checked it out carefully, its written for laymen, but it is not yellow science.

https://www.astrobio.net/also-in-news/a-cosmic-gorilla-effect-could-blind-the-detection-of-aliens/

Another example presented in the article is an apparently geometric structure that can be seen in the images of Occator, a crater of the dwarf planet Ceres famous for its bright spots. “Our structured mind tells us that this structure looks like a triangle with a square inside, something that theoretically is not possible in Ceres,” says De la Torre, “but maybe we are seeing things where there are none, what in psychology is called pareidolia”.

https://www.astrobio.net/wp-content/uploads/2018/04/167590_web.jpg

However, the neuropsychologist points out another possibility: “The opposite could also be true. We can have the signal in front of us and not perceive it or be unable to identify it. If this happened, it would be an example of the cosmic gorilla effect. In fact, it could have happened in the past or it could be happening right now”.