DrHorner Is Conducting Research on the Development of the Tonotopic

question 329

Multiple Choice

Dr.Horner is conducting research on the development of the tonotopic map in the auditory cortex of rats.He repeatedly exposes both young and old rats to pure tones.Which of the following statements most accurately reflects what Dr.Horner will find?

• A) There will be a larger representation of those sounds in the auditory cortex of the older rats.
• B) There will be equal representation of those sounds in the auditory cortex of both the old and young rats.
• C) There will be a larger representation of those sounds in the auditory cortex of the young rats.
• D) Bottom-up processes can help reorganize the auditory cortex of older rats even after the sensitive period is over.

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Definitions:

Total Overhead Variance

The difference between the actual overhead costs incurred and the overhead costs that were applied or allocated based on standard costing procedures.

Materials Quantity Variance

The difference between the actual quantity of materials used in production and the quantity that should have been used, valued at the standard cost.

Direct Material

The raw materials that are directly traceable to the manufacturing of a product and constitute a significant portion of the production cost.

Total Variance

The difference between the actual costs incurred and the standard costs, summarizing all variances in cost accounting to analyze overall performance.