Ebbinghaus Investigated the Time Course of Forgetting

question 153

Multiple Choice

Ebbinghaus investigated the time course of forgetting.In some of his studies, he forced himself to learn lists of nonsense syllables and then measured how long it took to relearn the same material after various delays.When he did this, Ebbinghaus found that:

• A)the longer the delay, the less time it took to relearn the material
• B)the longer the delay, the more time it took to relearn the material
• C)no matter how long the delay was, it took just as long to relearn the material as it had taken to learn it the first time
• D)no matter how long the delay was, it always took longer to relearn the material than it took to learn it the first time

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Definitions:

Intracellular Buffer System

Mechanisms within cells that regulate pH levels, preventing significant variations that could otherwise interfere with cellular function.

Sodium-Potassium Pump

A cellular mechanism that moves sodium ions out of and potassium ions into a cell against their concentration gradients, essential for cellular functions.

Carbonic Acid/Bicarbonate System

A major buffer system in the blood, maintaining the body's pH balance by regulating carbon dioxide (CO2) and bicarbonate (HCO3-) levels.

Blood Ph

A measure of the acidity or alkalinity of blood, with a normal range typically between 7.35 and 7.45.