1) Cerebral 2) Mental 1) Mental 2) Psychological effect 
• (a.) Of or pertaining to psychology. See Note under Psychic.
Having to do with how the mind works and how thoughts and feelings affect behavior.
Relating to the mind â€` thoughts and behaviour.
Pertaining to psychology. ... (18 Nov 1997) ... 
Type: Term Pronunciation: sī′kō-loj′i-kăl, -loj′ik Definitions: 1. Relating to psychology. 2. Relating to the mind and its processes. See: psychology
[adj] - of or relating to or determined by psychology 2. [adj] - mental or emotional as opposed to physical in nature
psychological A reference to the study of the mind in all of its relationships, normal and abnormal.
relating to the mind and the processes of the mind 
adjective mental or emotional as opposed to physical in nature; `give psychological support`; `psychological warfare`
of or pertaining to psychology. · pertaining to the mind or to mental phenomena as the subject matter of psychology. · of, pertaining to, dealing with, or affecting the mind, esp. as a function of awareness, feeling, or motivation: psychological play; psychological effect.
mental or emotional as opposed to physical in nature of or relating to the science of mental life