Independent, interdisciplinary research project in cognitive science for advanced graduate students pursuing a joint PhD in an approved core discipline and 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. Recommended prerequisite: EDUC 6505. Same as EDUC 6506 and LING 7415 and PHIL 7415 and PSYC 7415 and SLHS 7418.