albert gidon    bartlett mel    biology    brain    computational neuroscience    computing    cortex    dendrites    digital circuits    exclusive or    gary marcus    gordon shepherd    humboldt university    institute of molecular biology and biotechnology    konrad kording    logic operations    marvin minsky    mathematical logic    matthew larkum    neurons    neuroscience    perceptrons    seymour papert    university of pennsylvania    university of southern california    xor    yale school of medicine    yiota poirazi