Independent, interdisciplinary research project in cognitive science for advanced graduate students pursuing a joint PhD in an approved core disciplineand cognitive science. Research projects integrate at least two areas within the cognitive sciences: psychology, computer science, linguistics, education, philosophy. Students need commitments from two mentors for their project. Same as PSYC 7425, LING 7425, PHIL 7425, and CSCI 7422. Prerequisites: Requires prerequisite course of LING 7415 or PSYC 7415 or CSCI 7412 or EDUC 6506 (minimum grade D-). Restricted to graduate students only.