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The scientific study of consciousness became viable in the 1990s due to technological advances such as the development of [https://en.wikipedia.org/wiki/Functional_magnetic_resonance_imaging Functional Magnetic Resonance Imaging] (FMRI). In particular, study of the [https://en.wikipedia.org/wiki/Neural_correlates_of_consciousness Neural Correlates of Consciousness] (NCC) was pioneered in the 1990s by Nobel Laureate [https://en.wikipedia.org/wiki/Francis_Crick Francis Crick] and collaborator [https://en.wikipedia.org/wiki/Christof_Koch Christof Koch]. In turn, two series of academic conferences began, [https://en.wikipedia.org/wiki/The_Science_of_Consciousness The Science of Consciousness] (TSC) conference and the conference of the [https://en.wikipedia.org/wiki/Association_for_the_Scientific_Study_of_Consciousness Association for the Scientific Study of Consciousness] (ASSC), which was founded in 1994. During the 1990s and early 2000s two particularly prominent mathematically formulated theories of consciousness were proposed, [https://en.wikipedia.org/wiki/Orchestrated_objective_reduction Orch OR] and [https://en.wikipedia.org/wiki/Integrated_information_theory IIT]. In general, the scientific study of consciousness now comprises a host of models that collectively include complementary and conflicting assumptions and goals<ref name=Signorelli2021>Signorelli, C.M; Szczotka, J.; Prentner, R. (2021), Explanatory profiles of models of consciousness: towards a systematic classification, Neuroscience of Consciousness, 7(2), 1-13</ref>. The term Mathematical Consciousness Science began to be used and recognized from around 2018 onward following a rapid increase in the development of new mathematical and/or computational models and formal theories of consciousness. In 2018 the [https://seminar.math-consciousness.org/index.html Mathematical Consciousness Science online seminar series] and the [https://omcan.web.ox.ac.uk/home Oxford Mathematics of Consciousness and Applications Network] (OMCAN) began. In September 2019 the first [https://www.models-of-consciousness.org/ Models of Consciousness (MoC1)] academic conference was held at Oxford with an international team of organisers. [https://amcs-community.org/events/moc2-2021/ MoC2] was held online in September 2021. In January 2021 the [https://amcs-community.org/ Association for Mathematical Consciousness Science] (AMCS) was founded in order to pull together the growing number of conferences, workshops and seminars in MCS research.