Projects suitable for 4th year projects

How does the brain handle the fact that sound travels slower than light?
Is there anything special about the speed of light perceptually?
Touch experienced from two close-together body parts.
Eye movements of turtles.
What are the forces experienced on a swing?
The moon illusion: how big does the moon appear to be and how fast does it appear to move when seen from a moving car?
Projects can often be found within the main research areas of the lab.
I am always prepared to consider any projects ... no promises.
I am always prepared to consider independent reading projects.

Projects done in my labs often provides excellent background for graduate school.