The DSM-5 Includes a New Classification of "Major Neurocognitive Disorder

The DSM-5 includes a new classification of "major neurocognitive disorder" that is meant to capture the older classification of "dementia," as well as other mental impairments associated with neurocognitive disorders that vary in their severity. What is the general trend in the DSM-5 that this change most clearly reflects?

A) The use of subjective criteria for diagnosing mental disorders
B) The idea of a mental disorder as representing a continuum of symptom severity
C) Greater emphasis on rigid criteria to enhance diagnostic reliability
D) Reduced importance of the idea of clinical significance