Simplify the following text for a Grade 14 native English-speaking person.
Original: Philosophy of mind is a branch of modern analytic philosophy that studies the nature of the mind , mental events , mental functions , mental properties , consciousness and their relationship to the physical body , particularly the brain .
Simplified: Philosophy of mind is a branch of philosophy that studies the nature of the mind , mental events , mental functions , mental properties , consciousness and their relationship to the physical body , particularly the brain .