Study reveals the cerebral basis of non-verbal deductive reasoning

We often express our thoughts in words to communicate ideas, present arguments or make decisions. But what format and structure do these thoughts take in the brain? In the fields of philosophy, psychology and neuroscience, there are still many unknowns surrounding this issue, and it is unclear whether thoughts are represented in the mind by mental models (e.g. images) or by structures and rules similar to those governing language.