Illustration of the human brain with highlighted superior frontal gyri, also known as marginal gyri. It is located in the frontal lobe and is associated with self-awareness and laughter. — Stock photos

"Illustration of the human brain with highlighted superior frontal gyri, also known as marginal gyri. It is located in the frontal lobe and is associated with self-awareness and laughter." is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1600 x 1067px, 2600 x 1733px, 6000 x 4000px. The minimum price for an image is 49$. Image in the highest quality is 6000 x 4000px, 300 dpi, and costs 449$.