In the human brain, a great deal of synaptic pruning occurs in early childhood. This pruning appears to be:
a. The unfortunate result of insufficiently stimulating home environments
b. An adaptive process that allows children to deal more efficiently with their environment
c. Due to an imbalance of important nutrients, and especially to low levels of the B vitamins in many children's diets
d. Reflective of the fact that the forebrain is slowly taking over responsibility for functions that have previously been regulated by the hindbrain and midbrain
Question 2
Given what psychologists believe to be true about how information is typically stored in the brain, how is the concept dog probably represented in your brain?
a. As a single neuron located in the prefrontal cortex
b. As a network of neurons spread across multiple brain regions
c. As a cluster of interconnected neurons located in the left parietal lobe
d. As a cluster of interconnected neurons located in one of the occipital lobes
The pineal gland is a part of the thalamus region of the brain. It secretes melatonin.
Lateral View of the human brain in cross section
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Normal karyotype of a human male