clips I guess audio basis functions so this 20 basis functions learn by sparse coding um what he did was he then went to the cat or the tree system since the biologists in Boston had been you know using electro recordings to figure out what early auditory processing in a cat does and for each of these 20 things learned by his algorithm he found the closest match in the biological data and the closest matches are shown over the in red ok so the same algorithm that only one hand gives a you know he's an explanation for early