The fundamental philosophies of holism and reductionism are two lenses through which we can view reality, and both are required to understand things well. Holism focuses on the big picture, while reductionism zooms in on the parts.
Imagine you’re standing in front of a majestic forest, teeming with life. You can choose to focus on the intricate patterns of the individual trees, studying the unique characteristics of each one. Or, you can step back and gaze at the forest as a whole, taking in the breathtaking tapestry of relationships. Both approaches are needed in order to understand the forest well. By oscillating between reductionism and holism, we can uncover the intricate beauty of reality, one tree and one forest at a time.
Holism is inherently emergent, while reductionism is not. When analyzing a system holistically, we seek to identify new properties that arise from the interplay of its components. For instance, from wooden parts a chair can emerge. That new, emergent thing now has properties like function, beauty, and comfort. Yet this analysis doesn’t negate the benefit of reductionism—the idea that a chair is made up of specific parts connected in specific ways.
Sometimes these two complementary tools are used in contrast. Take the debate over the nature of the mind. Some reduce the complexity of thought to its biological components, while others attribute the complexity to the mind as a whole. Some may believe in a soul, while others do not, and their views are sometimes framed as holistic or reductionist.
Ignoring the question of the soul for analysis, you can see the benefit of both reductionism and holism when studying the mind. Reductionism helps break down mental processes into neurons and chemistry, while holism emphasizes the emergence of consciousness from the brain’s complex interactions.