Changes in auditory and visual perception are typical. Birds communicate using primarily visual and auditory signals. The accuracy of claims of visual and auditory awareness was examined using specific tests. Visual and tactile stimulation produces better results. Voice commands are confirmed by visual and/or aural feedback. The study of visual attention provides an example. Calligraphy is a type of visual art. This gives the effect of countering the visual perspective. The novel used writing techniques known as visual writing. They also collaborated with the visual effects department. PSYOP conveys messages via visual, audio, and audiovisual media. Humour can be verbal, visual, or physical. However, those who spoke positively of the special stages approved of the visual effects. Bryan Goswin serves as visual effects supervisor. Boyle also sought to pursue inexpensive methods in filming sequences involving actors and visual effects.