The mammalian nervous system intricately processes sensory information to perceive and interpret the environment. Receptive fields, fundamental units within sensory organs and neural networks, play a fundamental role in shaping sensory stimuli encoding and processing. These specialized regions selectively respond to specific features of stimuli, such as light, sound, touch, or odor, serving as the building blocks for higher-level sensory processing. This paper presents a exploration of visual receptive fields in multiple brain areas. The exploration was over a extra-cellular electrophysiological data recorded using a very recent technology to do simultaneous dense recordings in large neuronal populations across multiple state-of-art electrodes named neuropixels. By unraveling the principles governing receptive field formation and function, we can decipher the neural mechanisms underlying sensory perception and design innovative technologies.