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Neurotransmitters and Attention Mechanisms Quiz

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Questions and Answers

What is the primary function of GABA in neural activity?

To control motor movement and regulate mood
To excite cortical activity and regulate anxiety
To suppress cortical activity and regulate anxiety (correct)
To modulate attention and reinforce learning

What happens when there is too much glutamate released in the prefrontal cortex?

It leads to Parkinson's disease
It regulates mood and attention
It accompanies symptoms of hallucination and schizophrenia (correct)
It modulates sleep and learning

Which neurotransmitter is involved in reinforcement, attention, and motor control?

Glutamate
GABA
Serotonin
Dopamine (correct)

What is the role of serotonin in neural activity?

It regulates mood, sleep, and attention (C) Signup and view all the answers

What type of synapse is involved in serotonin's activity?

Metabotropic synapse (C) Signup and view all the answers

Which neurotransmitters are involved in arousal, depression, and motor control?

The catecholamines (B) Signup and view all the answers

What role does norepinephrine play in motor control?

It is responsible for arousal in the brain and focusing attention (B) Signup and view all the answers

What is the effect of an agonist on a neurotransmitter?

It increases the likelihood of a neurotransmitter having its effect (B) Signup and view all the answers

What is the role of endorphins in the body?

They have opiate effects and are responsible for pain suppression (B) Signup and view all the answers

What is substance P associated with?

Pain (A) Signup and view all the answers

What is the role of epinephrine in the body?

It regulates heart rate (A) Signup and view all the answers

What can affect the message sent by neurons?

Variations in any of the described functions (B) Signup and view all the answers

What is the primary function of the Basal Ganglia?

It is primarily involved in the control of movement and planned sequential behaviors. (B) Signup and view all the answers

What is the function of Acetylcholine (ACh) in the brain?

Acetylcholine is a neurotransmitter that promotes arousal of the cortex. (A) Signup and view all the answers

What is the cortex?

The cortex is the outermost structure of the brain. (A) Signup and view all the answers

What is the function of the Basal Forebrain?

It is primarily involved in the regulation of sleep and arousal cycles. (A) Signup and view all the answers

What neurotransmitter is produced by the Basal Forebrain and is involved in arousal of the cortex?

Acetylcholine (D) Signup and view all the answers

What is the primary source of GABA in the brain?

The Basal Forebrain is the primary source of GABA in the brain. (B) Signup and view all the answers

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