Summary by Lois Isenman
The Bridge: A Science and Spirituality ResourceJanuary 9, 2008
Causality used to be a much more complex issue than it is today. Aristotle recognized four distinct kinds of causes—material, efficient, formal, and final. Deacon writes, “If we use the example of carpentry, material cause is what determines the structural stability of a house, efficient cause is the carpenter’s modification of materials to create the structure, formal cause is the plan followed in this construction process, and final cause is the aim of the process, that is, producing a space protected from the elements. A final cause is that 'for the sake of which' something is done.”
This rich panoply of causes has been reduced to only one, efficient cause, in our scientific age. Renaissance thinkers such as Descartes and Spinoza took particular offense at the notion of final cause.Deacon says, “As exemplified by the early explanations of the power of vacuums and buoyancy, only 'pushes'
seemed allowable as determinants of the efficacy and direction of physical changes."
In contrast, the concept of final causality, or purpose, suggests that ends come first and determine means. This gives the impression that time is running backwards, as does the spontaneous production of order that characterizes many natural processes. By exploring various levels of the spontaneous emergence of order, Deacon aims to recontextualize our sense of final causality, especially as it relates to the evolution of life and to mind.He asks, “Is there someway to identify a real and substantial sense of the 'pull' of future possibilities in terms of 'pushes' from the past?" Such a perspective allows the future, which is an absence from the point of view of the present, to become pregnant with possibility and thus to cause. He quotes from the Tao Te Ching:
“Thirty spokes converged at the wheel's hub to an empty space that makes it useful. Clay is shaped into a vessel, to take advantage of the emptiness it surrounds.Doors and windows are cut into walls of a room so that it can serve some function. Though we must work with what is there, use comes from what is not there.”
Deacon elaborates, "Here we are confronted with a different sense of causality, in the form of an 'affordance': a specifically constrained range of possibilities, a potential that is created by virtue of something missing." Deacon uses this notion of absence, of something being shaped by what is missing, to help unify three different progressively more complex levels of emergence. He calls them non-recurrent, simple recurrent and hyper recurrent, or alternatively, first, second, and third order emergence, or thermodynamic, morphodynamic and teleodynamic emergence. Read more....