The Process by Which the Visual System Fills in Hidden

question 8

Multiple Choice

The process by which the visual system fills in hidden edges and surfaces in order to represent the entirety of a partially visible object is called:

• A) figure-ground perception.
• B) border ownership.
• C) perceptual grouping.
• D) perceptual interpolation.

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Definitions:

Trophoblast

The outer layer of a blastocyst, providing nutrients to the embryo and developing into a large part of the placenta.

Placenta

An organ that develops in the uterus during pregnancy to provide oxygen and nutrients to the growing baby, while removing waste products.

Primitive Streak

The primitive streak is a structure that forms on the surface of the early embryonic disc, marking the beginning of gastrulation and establishing body axes.

Embryonic Disc

A flat plate of cells in early embryonic development that will form the embryo.