The genius of Tulku Urgyen was that he could point out the nature of mind with precision and matter-of-factness of teaching a person how to thread a needle and could get an ordinary meditator like me to recognize that consciousness is intrinsically free of self ... I came to Tulku Urgyen yearning for the experience of self-transcendence, and in a few minutes he showed me I had no self to transcend ... Tulku Urgyen simply handed me the ability to cut through the illusion of the self directly, even in ordinary states of consciousness. This instruction was, without question, the most important thing I have ever been explicitly taught by another human being. It has given me a way to escape the usual tides of psychological suffering - fear, anger, shame - in an instant.
- Sam Harris
Depression assessment scales come in two basic forms - interviewer/clinician rated and sufferer/patient rated. As stated in the background information on the IDS/QIDS questionnaires (see below) "There are several accepted clinician rated and patient self report measures of depressive symptoms. The most commonly used clinician rated scales are the 17, 21, 24, 28, and 31 item versions of the Hamilton Rating Scale for Depression (HRSD) (Hamilton 1960, 1967), and the 10-item Montgomery-Asberg Scale (Montgomery and Asberg 1979). The most frequently used self-reports include the 13, and 21 item version of the Beck Depression Inventory (BDI) (Beck et al. 1961), the BDI-II (Beck et al. 1996), the Zung Depression Rating Scale (Zung 1965), the Carroll Rating Scale (CRS) (Carroll et al. 1981), and the Patient Health Questionnaire - 9 (PHQ-9) (Kroenke et al.