Aneuroscientist asks a human participant to extend her leg at the knee. eeg recordings of the participant's brain activity should show increased activity from the scalp over the lobe.

The given blank can be filled with the frontal lobe.  

The frontal lobe is situated at the anterior of the brain and is the biggest of the four major lobes of the cerebral cortex in mammals. The frontal lobe is situated at the anterior of each cerebral hemisphere, that is, in front of the temporal lobe and the parietal lobe.  

The frontal lobe plays a huge function in voluntary movement. It accommodates the primary motor cortex that regulates the functions like walking.  

there really is life in the deepest part

starchy vegetables are high in carbohydrates.

starchy vegetables contain more carbohydrates than non-starchy vegetables.

explanation:

there are two primary categories of carbohydrates, essentially differentiated on the basis of their carbohydrate content (which is in the form of starch - a complex carbohydrate):

those vegetables which contain little amounts of starch are termed as non-starchy vegetables, and some examples include: artichokes, broccoli and bean sprouts.

vegetables high in their starch content are distinguished as starchy vegetables, and some examples include: potatoes, chickpeas and corn.