Which of the Following Has Not Been Proposed to Explain

question 16

Multiple Choice

Which of the following has not been proposed to explain language origins?

• A) Spoken language evolved from gestures
• B) Spoken language evolved from primitive vocalizations, such as grunts and danger calls
• C) Spoken language evolved from birdsong
• D) Spoken language evolved as a byproduct of developing non-linguistic cognitive processes

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Definitions:

Neuroglial Cells

Supportive cells in the nervous system that provide insulation, nutrients, and structural support for neurons, and participate in signal transmission.

Myelin

A fatty covering that insulates nerve fibers in the brain, spinal cord, and peripheral nerves, speeding the transmission of nerve impulses.

Action Potential

A rapid rise and subsequent fall in voltage or membrane potential across a cellular membrane, a process allowing neurons to transmit signals.

Membrane Potential

Voltage difference across a cell membrane.