Cognitive is a scientific field that is concerned with study of the biological processes and aspects that trigger cognition, with a specific focus on the Neural connections in the brain which are involved in mental processes. Cognitive Neuroscience relies upon theories in cognitive science attached with evidence from Neurobiology, and Computational Modeling. Behavioural Neuroscience is the study of Neurology that is concerned with Neurological diseases based on behaviour, cognition, memory and treatment. This disease occurs mainly because of brain damage or Mental health disorder. This disorder can alter the remembrance power and thinking ability.