Ключевые слова: academic, aid, anatomy, art, associations, blackboard, brain, chalk, chalkboard, classroom, cognitive, communication, concepts, creative, creativity, detailed, diagram, drafting, drawing, education, educational, expression, function, gray, handmade, ideas, illustration, informational, informative, knowledge, learning, materials, mental, neurons, neuroscience, notes, philosophical, psychology, research, science, sketch, structure, student, studies, study, symbols, teaching, tools, visual,