Tag: spatial resolution

November 8, 2025 / Mohammed looti

MAGNIFICATION FACTOR

Introduction and Definition of the Cortical Magnification Factor The concept of the Magnification Factor (MF) is fundamental to the study of the visual system, particularly within the field of neurophysiology and functional brain mapping. Broadly defined, the magnification factor quantifies the degree by which a representation of an external stimulus has been magnified or disproportionately […]

November 6, 2025 / Mohammed looti

CONTRAST SENSITIVITY

Definition and Fundamental Concepts Contrast sensitivity refers to the fundamental capacity of the visual system to discern subtle differences in luminance, or light and dark shading, across various spatial dimensions. It represents the minimum detectable contrast required for an observer to distinguish an object or pattern from its uniform background. Unlike standard visual acuity, which […]