The Nature of Consciousness

Opium alters the author's perception of time, memory, and reality, producing vivid dreams and 'phantasmagoria' that reveal the depths of the human mind and the interplay between intellect and emotion.

The narrator describes opium's effect as an 'apocalypse of the world within me,' emphasizing a heightened, serene, and ordered state of consciousness, distinct from wine's disorder.

Explores altered states of consciousness through dreams, the creative power of the eye, and the distortion of time and space.

De Quincey reflects on how opium altered his perception of bodily processes and thoughts, and how withdrawal brought a flood of previously frozen ideas.