] Thought might not be dependent on language, according to
] new research published in the Proceedings of National
] Academy of Sciences.
]
]
] A UK team has shown that patients who have lost the
] ability to understand grammar can still complete hard
] sums.
]
]
] This suggests mathematical reasoning can exist without
] language.
]
]
] The study undermines the assumption that language is the
] key quality that makes our thought processes more
] advanced than those of other animals.

BBC NEWS | Science/Nature | Key to intelligence questioned