• Fastidious: Very attentive to and concerned about accuracy and detail.
• IQ: Intelligence quotient.
• Psychological: Of affecting, or arising in the mind; related to the mental and emotional state of a person
• Intrusive: Causing disruption or annoyance through being unwelcome or uninvited
• Neurotransmitter: A chemical substance which is released at the end of a nerve fibre by the arrival of a nerve impulse and, by diffusing across the synapse or junction, effects the transfer of the impulse to another nerve fibre, a muscle fibre, or some other structure.
• Post partum: Following childbirth.