Final answer:
The DSM-5 differentiates from earlier DSM versions by requiring both dimensional and categorical information for diagnoses, reflecting an evolution in the understanding and classification of mental disorders, and emphasizing a spectrum-based approach alongside a commitment to cultural and gender sensitivity.
Step-by-step explanation:
The key factor that differentiates the DSM-5 from earlier versions of the DSM is that the DSM-5 requires both dimensional and categorical information for the diagnosis of mental disorders. Earlier versions of the DSM primarily utilized a categorical approach, which involves a method where mental disorders are classified as separate and distinct entities based on sets of rigid criteria. The addition of a dimensional aspect in DSM-5 allows for a spectrum-based assessment of symptoms, recognizing the varying degrees of severity that a disorder can present in different individuals.
Changes in the DSM-5 also addressed the evolution in the understanding of certain conditions. For example, the DSM-5 merged Asperger's syndrome with the autism spectrum disorders category and widened the dyslexia category. This evolution demonstrated the ongoing adaptation to current research and clinical practice. Furthermore, the DSM-5 development process included a greater emphasis on gender and cultural sensitivity, ensuring a more inclusive and accurate diagnostic tool.