Comments On Theories • “The theory is that …” – Ya, really, complete that sentence. • Do not recycle your supervisors NSERC grant • Have a theory about a mechanism of cognition – how a cognitive system works in the brain • Think about the many mechanisms we’ve discussed so far as examples • Carefully consider the difference between a question, a theory and a prediction • E.g. – “My theory is that sleep inertia can be attenuated by the proper application of breakfast” – “My theory is that sleep inertia is due to hypoglycemia” • An example of a good theory – My theory is that yawns are contagious due to the activity of mirror neurons • An example of a good theory that is TOO BIG – “My theory is that all sensory modalities have, to varying degrees and priorities, separate attention pathways”