Low Levels of the Neurotransmitter Dopamine Can Lessen the Ability

question 13

Multiple Choice

Low levels of the neurotransmitter dopamine can lessen the ability to focus effectively on tasks. However, high levels of dopamine can result in feelings of motivation. How would you classify dopamine and why?

• A) Dopamine is excitatory because it enhances motivation levels.
• B) Dopamine is inhibitory because it diminishes the ability to focus.
• C) Dopamine is both inhibitory and excitatory because it can enhance motivation levels but diminish the ability to focus.

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Definitions:

Alternative Hypothesis

A statement that directly contradicts the null hypothesis by stating there is a statistically significant effect or difference.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect, serving as a default position that there is no relationship between two measured phenomena.

Alternative Hypothesis

A hypothesis that contradicts the null hypothesis, typically representing a new theory or perspective.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists among the variables being studied.