Fasvis

Fasvis is a fictional concept used in speculative fiction and collaborative worldbuilding to denote an assumed perceptual phenomenon that combines rapid visual processing with integrated memory. In fiction, fasvis is typically portrayed as either a natural trait found in certain species or an enabled capability via technology or augmentation. The term is not based on verified scientific observation and has no standing outside its fictional context.

Etymology and usage of fasvis vary by work. It is commonly described as a portmanteau of fast and vision, signaling enhanced speed of perception, but writers differ on whether fasvis refers to a cognitive faculty, a neural mechanism, or a technological interface. Some narratives treat fasvis as an inborn endowment in a species, while others depict it as an acquired skill through training or augmentation.

In-universe characteristics commonly attributed to fasvis include accelerated sensory throughput, enhanced predictive perception of motion, and extended short-term visual memory for sequences. Fasvis may arise from specialized neural circuitry, cybernetic implants, or augmented reality displays. Environmental and cognitive factors such as fatigue, lighting, or workload are often depicted as modifiers of fasvis performance, producing trade-offs with attention and information overload.

Taxonomy and examples within fictional settings typically distinguish natural fasvis from artificial fasvis, the latter arising from devices or software. Fasvis is frequently used to justify superior performance in domains like piloting, sports, or surveillance, and to explore ethical questions about enhancement, accessibility, and social inequality.

In real-world reference contexts, fasvis remains a constructed term for worldbuilding and does not denote a real scientific phenomenon.