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Watson
Thought is nothing more than motor habits in the larynx
Jacobsen
detected action potentials in muscle fibers
Smith Brown Toman and Goodman
paralyzed a person and found he was still able to think
Vygotsky
Thought and language develop separately, then become intertwined
Piaget
Thought then language
Sapir-Whorf
language then thought
Loftus and Palmer
Car accident study; found language influences cognition