Simultaneous perception is also known as

Simultaneous perception is also known as

• A. Postfusion
• B. Prefusion
• C. Preconvergence
• D. Fusion-integration

Answer: (B)

In binocular vision, perception progresses through stages around the moment the two retinal images are combined. Simultaneous perception happens when both images can be reported at the same time before the two images are actually fused into one percept. That prefusion stage is why the term prefusion fits: it describes the period before fusion, when you still see the two images side by side or concurrently but not yet as one fused scene. Postfusion would imply after fusion, where you don’t perceive two separate images, and the other terms refer to different processes (like convergence before alignment or nonstandard phrasing). So, simultaneous perception is best described as prefusion.

In binocular vision, perception progresses through stages around the moment the two retinal images are combined. Simultaneous perception happens when both images can be reported at the same time before the two images are actually fused into one percept. That prefusion stage is why the term prefusion fits: it describes the period before fusion, when you still see the two images side by side or concurrently but not yet as one fused scene. Postfusion would imply after fusion, where you don’t perceive two separate images, and the other terms refer to different processes (like convergence before alignment or nonstandard phrasing). So, simultaneous perception is best described as prefusion.