Mesoamerican Long Count calendar the use of zero as a place-holder and presents one of the earliest uses of the zero concept in history. On Maya monuments, the Long Count syntax is more complex. The date sequence is given once, at the beginning of the inscription and opens with the so-called ISIG (Introductory Series Initial Glyph) which reads "tzik-a(h) hab’ [patron of Haab' month]" ("revered was the year-count with the patron [of the month]"). Next come the 5 digits of the Long Count, followed by the Calendar Round (tzolk'in and Haab') and supplementary series. The supplementary series is optional and contains lunar data, for
Fixation (psychology) did the range of possible 'fixation points' he saw as significant in producing particular neuroses. However, he continued to view fixation as "the manifestation of very early linkages – linkages which it is hard to resolve – between instincts and impressions and the objects involved in those impressions". Psychoanalytic therapy involved producing a new transference fixation in place of the old one. The new fixation – for example a father-transference onto the analyst – may be very different from the old, but will absorb its energies and enable them eventually to be released for non-fixated purposes. Melanie Klein saw fixation