CT Scans Tracking the Development of the Brains of Modern

question 57

Multiple Choice

CT scans tracking the development of the brains of modern human children exhibit a dramatic widening of the temporal lobes during their first year of life. When compared to endocasts made of the crania of Neandertal children, Neandertal brain development is most similar to that seen in:

• A) modern human children
• B) modern chimpanzees
• C) Homo erectus
• D) none of the above; Neandertal brain development isn't similar to any other species

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Definitions:

Free Nerve Ending

Sensory receptors found throughout the body that respond to pain, temperature, and touch.

Odorant Molecules

Chemical particles capable of being detected by the sensory neurons in the nose, leading to the perception of smell.

Mucous

A slippery secretion produced by, and covering, mucous membranes, typically serving to protect and lubricate surfaces.

Thalamus

A structure in the brain that acts as a principal hub for processing and relaying sensory information to the appropriate areas of the cortex.