Why Do We Know So Little About Normal Middle-Aged Brains

question 98

Multiple Choice

Why do we know so little about normal middle-aged brains?

• A)Research has mostly focused more on children's brain functions.
• B)Most research has focused on changes associated with trauma and disease.
• C)Research has generally been focused on the brain functions of the elderly.
• D)Research has always been limited by the availability of research subjects who,in this case,are in their peak working years.

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Definitions:

Excess Reserves

The capital reserves held by a bank or financial institution in excess of what is required by regulators, creditors, or internal controls.

Actual Reserves

The total amount of funds that a bank has on deposit at the Federal Reserve, plus any cash physically held by the bank.

Reserve Requirement

A regulation set by central banks requiring commercial banks to hold a certain proportion of their deposits as reserves.

Government Bonds

Debt securities issued by a government to finance its expenditures, often considered a safe investment.