Which Best Describes the Impact on the Brain Across the Life

question 62

Multiple Choice

Which best describes the impact on the brain across the life span of neuronal growth and loss?

• A) After birth the brain develops no new neurons or synapses. The rate of loss is low for children, high for the elderly.
• B) The rate of neuron and synapse gain and loss across the life span is about equal.
• C) The brain gains and loses neurons and synapses across the life span, butitial gains outnumber losses. This ratio is gradually reversed with age
• D) Neuronal and synaptic loss is always greater than the gain.

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Definitions:

Marginal Cost

The price of generating one more unit of a product or service.

Profit-Maximizing Price

The price level at which a business can achieve the highest profit, considering its cost of production and the demand for its product.

Payoff Matrix

A table that shows the possible outcomes of different strategies in a game or decision-making situation, often used in game theory.

Compete

The act or process of trying to win or do better than others in an activity, market, or situation.