PSYC1102 Lecture 2: Lecture 2B - Language & Thinking
Document Summary
Humans genetically closes to chimpanzees (99% of genes). Chimpanzees closest relative is not other apes but humans! Opens mussels by bashing them against a rock laid on its stomach. Short stick placed inside the cage. (kohler, 1925) Fruit out of reach (hanging from the ceiling). Chimpanzee often arrived at the solution after it has been sitting quietly . Suggests chimp had been thinking about the problem and was struck by a sudden insight. Chimps presented with 2 pairs of food containers. Result: chimps chose the pair with the highest combined number of cookies. Result: chimps chose the pair with the highest combined number of cookies. (rumbaugh, savage-rumbaugh & pate, 1988) Great apes have self-consciousness (appreciation of one"s own mind). Child develops a theory of mind at around 4 years of age. Child asked what other child will think is inside the tube Chimpanzee presented with two people who have food.
