It tends to notice familiar faces within 380 milliseconds, which is fast.
Our brain can identify a familiar object within 100 milliseconds. When we see an image, we immediately grab the concept and meaning behind that image.
The human brain processes images at an alarming speed. Just enter the image URL, upload a photo or type the keyword to find similar images on the internet. The reverse image search is an online image finder that helps the user(s) to find similar images across the web. About Reverse Image Search - Perform Reverse Image Lookup