The abnormal behavior is meticulously relies upon the biological aspects of brain and its co-ordination with body in performing physiological functions and psychological behavior.
Therefore, biological model seeks that “any abnormality in the biological aspects of brain would cause abnormal behavior result in psychological disorders.
Biopsychological factors do seek biological scarring of brain in co-ordination to behavior. Thus, patients do live years of living with psychological abnormality due to abnormal changes in the brain.
The psychoanalytical model or social factors have not influencing long-lasting psychological disorders.
Thus, the options (b), (c) and (d) are incorrect.
Biopsychological factors do seek biological scarring of brain in co-ordination to behavior.
Therefore, the correct option is – a. interaction among biopsychosocial factors.