Pablo Picasso the premier French art dealers of the 20th century. He was among the first champions of Pablo Picasso, Georges Braque and the Cubism that they jointly developed. Kahnweiler promoted burgeoning artists such as André Derain, Kees van Dongen, Fernand Léger, Juan Gris, Maurice de Vlaminck and several others who had come from all over the globe to live and work in Montparnasse at the time. Picasso's African-influenced Period (1907–1909) begins with his painting "Les Demoiselles d'Avignon". Picasso painted this composition in a style inspired by Iberian sculpture, but repainted the faces of the two figures on the right after being
Alternative explanations of the "grandmother" cell a study performed by Logothetis and Pauls, this is seen with the spiking of a single macaque monkey neuron when presented with a paper clip bent in a certain way at a variety of angles. At a specific angle, the neuron fires rapidly. At different angles or shapes, it does not. A grandmother cell, by contrast, would seem to fire at many different shapes and angles. And it is very difficult to imagine what kind of mechanism "will bind ... information from disparate sensory sources" in a cell, which makes a grandmother cell "a tremendous connectivity puzzle". In 2001, Kreiman