Psycholinguistics: morphological and syntactic structure. Language acquisition: representation of the soundwave; syntax; construction of the lexicon.

Representation and acquisition of lexical information; development of minimalist and optimality-based theories of phrase structure and functional projections.

Studies of visual attention and preattentive location indexing with application to visual tracking, perceptual- motor coordination, and teleoperation; empirical constraints on cognitive architecture, especially for imagery.

Phonological theory and the cognitive science of language; interaction of universal constraints on representational well-formedness to define grammatical systems.

Philosophical problems about psychology, including theoretical and experimental investigations of cognitive architecture, psycholinguistics and cognitive development.

Fully automated, highly diagnostic behavioral screens for abilities in learning and memory in the mouse and zebra fish. Also, animal cognition: spatial, temporal, and numerical learning and reasoning in animals.

Causal and quantitative reasoning, constraints on concept acquisition, and the role of informal environments (e.g., in cognitive development).

Human and machine planning; plan recognition; problem solving and learning