What is learning but a set of sensory signals from the environment, with different forms of learning resulting from different types or patterns of se… - Eric Kandel

Like other modern artists faced with the advent of the photography, Klimt sought newer truths that could not be captured by the camera. He... turned the artists view inward—away from the three-dimensional outside world and toward the multidimensional inner self and the unconscious mind.

Cajal revealed the precision of the interconnections between populations of individual nerve cells. Mountcastle, Hubel, and Wiesel revealed the functional significance of those patterns of interconnections. They showed that the connections filter and transform sensory information on the way to and within the cortex, and that the cortex is organized into functional compartments, or modules.

The idea that different aspects of visual perception might be handled in separate areas of the brain was predicted by Freud at the end of the nineteenth century. ...a cortical defect that affected [the] ability to combine aspects of vision into a meaningful pattern. ...defects, which Freud called agnosias (loss of knowledge)...