Aware of what is happening; fully aware.

The study of mental process and behavior.

Doctor who performs operations on the brain.

A person who takes advantage of any opportunity to achieve a goal.

A mean, nagging person.

A state of great interest and excitement.

Able to be seen or touched; material.

A focus on a particular activity or area of study.

Ridiculously unreasonable

Calculus is a branch of

A psychological condition involving feelings of worthlessness

Vacuous means you show lack of

Having a simple innocence; lack of knowledge or experience

A return to a less developed condition

A group of symptoms that characterizes as a disease

Examining one’s own thoughts, feelings, and sensations

Progressive amnesia is a steady loss of

To weaken or to damage

Having constant relation in degree or number