Our ability to think in symbols — the notion that objects can represent ideas — is one of the key traits that make us human. We weren’t always symbolic thinkers, and scientists are trying to figure out when our minds evolved this ability.
Our ability to think in symbols — the notion that objects can represent ideas — is one of the key traits that make us human. We weren’t always symbolic thinkers, and scientists are trying to figure out when our minds evolved this ability.
