Investigate the enigma of consciousness and the hard problem of subjective experience. Analyze the philosophical, scientific, and neurobiological perspectives on the nature and origins of consciousness. Evaluate the leading theories, including dualism, materialism, panpsychism, and integrated information theory, that attempt to explain the relationship between brain activity and subjective awareness. Explore the implications of different theoretical frameworks for our understanding of free will, personal identity, and the nature of reality itself. Furthermore, examine the challenges posed by the measurement problem in quantum mechanics and its potential connection to the mystery of consciousness.