The special evaluation of cognitive function does not include emotional evaluation.

cognitive function refers to a basic stage of people's psychological activities. Cognitive function generally includes some basic psychological processes such as feeling, perception, attention, memory, thinking and imagination. Cognition is a process in which the human brain receives external information, processes it and transforms it into internal psychological activities, so as to acquire knowledge or apply it. It includes memory, language, visual space, execution, calculation, understanding and judgment. Cognitive impairment refers to the impairment of one or more of the above cognitive functions, which affects the daily or social ability of individuals and can be diagnosed as dementia.

There are various reasons, except for organic diseases, most of them are caused by mental diseases. Such as neurasthenia, hysteria, hypochondria, climacteric syndrome, depression, obsessive-compulsive disorder, senile dementia, schizophrenia, reactive psychosis, paranoid psychosis, mania, bipolar disorder and so on.