​How Does Memory Improve After Sleep

question 164

Multiple Choice

​How does memory improve after sleep?

• A)Certain synapses strengthen during learning, and others weaken during sleep.
• B)​Increased blood flow to the brain during sleep develops new neurons.
• C)​Action potentials slow down during the day and increase velocity during sleep.
• D)​The brain increases its ratio of excitatory transmitters to inhibitory transmitters.

---

Definitions:

Least Squares Estimate

A mathematical method used to determine the best-fitting line or curve to a set of data points by minimizing the sum of the squares of the differences between the observed values and the values provided by the model.

Intercept

In regression analysis, the point where the line of best fit intersects the y-axis, indicating the expected value of the dependent variable when all independent variables are zero.

Dependent Variable

In an experiment or model, it is the variable being tested and measured, which is expected to change as a result of manipulations of the independent variable(s).

Independent Variable

A variable in an experiment or model that is manipulated to determine its effect on a dependent variable.