What was David on about at the end?

[…]

The clear separation of ‘‘you’’ from ‘‘me’’ or one individual from another has historically been accepted as self-evident. That is, ‘‘we,’’ or, ‘‘you’’ and ‘‘I,’’ are faculties in our own right; largely independent, functionally autonomous, and bounded units or systems, separate from other humans and animals that are also largely independent, functionally autonomous, and bounded. The plausibility of this commonly held belief, however, has also been brought into question by research within the field of ECS (e.g., Goldstone & Gureckis, 2009; Marsh, Johnston, Richardson, & Schmidt, 2009b; Sebanz, Bekkering, & Knoblich, 2006), which has begun to provide evidence that the mechanisms of perception, action, and cognition can be defined across, as well as within individuals.

If that has whetted your appetite:

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