Suppose You Observe a Baby Sitting in Front of a Mirror

question 134

Multiple Choice

Suppose you observe a baby sitting in front of a mirror. You now place a dot of rouge on the baby's nose. You see the baby look at the mirror, and then he crawls around the mirror to find the baby on the other side. Your best guess is that this baby is about how old?

• A) about 6 months of age
• B) about 12 months of age
• C) about 18 months of age
• D) 24 months of age

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Definitions:

Substantia Nigra

A region of the brain that plays an important role in reward, addiction, and movement; known for its high concentration of dopamine-producing neurons.

Red Nucleus

A structure in the brainstem involved in motor coordination and the control of limb movements.

Globus Pallidus

A subcortical structure of the brain involved in the regulation of voluntary movement.

Loss of Spontaneous Movement

A condition often associated with neurological disorders where there is a significant reduction in the initiation or performance of voluntary movement without external stimulus.