How do mechanistic and behavioral explanations compare?

Lens adapted to this topic: Behavior-first and nonmechanistic approaches

A serious alternative holds that behavioral or functional explanations are not merely incomplete mechanism-talk. They can explain patterns by relating behavior to tasks, environments, purposes, or rules, even when neural details are unavailable or underdetermine the explanation. This view also warns that invoking “mechanisms” can relabel phenomena without identifying how they are produced.

• Behavior analysis distinguishes its explanatory approach from mechanism rather than treating behavioral relations as descriptions of underlying physical machinery.
• Functional explanation can remain autonomous from mechanistic explanation, despite claims that all cognitive explanation is ultimately mechanistic.
• Nonmechanistic dynamical models may provide understanding through structure, prediction, counterfactual support, or unification, rather than being mere descriptions.
• Many purported mechanistic explanations in psychology and cognitive neuroscience classify phenomena without adequately specifying how mechanisms produce them.
• The mechanist/nonmechanist dispute partly reflects different interpretations of cognitive science’s tasks, so practice alone may not resolve it.

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