Does age constrain the outcome of all language acquisition equally regardless of whether the language is a first or second one? To test this hypothesis, the English grammatical abilities of deaf and hearing adults who either did or did not have linguistic experience (spoken or signed) during early childhood were investigated with two tasks, timed grammatical judgement and untimed sentence to pi...

The nativist-empiricist debate and the nativist commitment to the idea of core knowledge and endowments that exist without relevant postnatal experience continue to distract attention from the reality of developmental systems. The developmental systems approach embraces the concept of epigenesis, that is, the view that development emerges via cascades of interactions across multiple levels of c...

We examine developmental systems theory (DST) with two questions in mind: What does DST explain? How does DST explain it? To answer these questions, we start by reviewing major contributions to the origins of DST: the introduction of the idea of a "developmental system", the idea of probabilistic epigenesis, the attention to the role of information in the developmental system, and finally the e...

This article reviews 4 aspects of developmental-psychobiological metatheory that are of particular relevance to developmental conceptions of neuropsychology: probabilistic epigenesis, the various roles of experience in affecting the development of the nervous system, and the developmental principles of equifinality and equipotentiality, the latter being especially pertinent to the understanding...

Coevolutionary aesthetics has been forming since the early 2010s. Its contribution of great value inclusion cultural evolution into Darwinian theories on origins art and aesthetic judgement. – or non-modular evolutionary as it is sometimes called emphasizes that behavior develops in a specific social environment. suggests traditional aesthetics, drawing from psychology, ignored this. The critic...