According to the Trichromatic Theory of Colour Vision

question 197

Multiple Choice

According to the trichromatic theory of colour vision,

• A) colour vision can be explained on the basis of three types of cones, which are maximally sensitive to red, green or blue
• B) we are taught to recognize colours by three sources: parents, schools and society.
• C) colour signal detection depends on the presence of sufficient light to register the three primary colours.
• D) colour vision is a process of opponent receptorstegrating theirformation to build each colour pattern.

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Definitions:

Spinal Cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brain down the length of the vertebral column.

Medulla

The medulla, often referred to as the medulla oblongata, is a section of the brainstem that controls vital bodily functions, such as breathing and heart rate.

Thalamus

A part of the brain located above the brainstem that acts as a relay station, processing and transmitting sensory information to the cerebral cortex.

Meninges

The three membranes that enclose the brain and spinal cord, providing protection and supporting the central nervous system.