Understanding Neurotransmitters

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Questions and Answers

Which neurotransmitter is most closely associated with learning, memory and is directly affected by Alzheimer's disease?

  • Acetylcholine (correct)
  • Serotonin
  • Glutamate
  • Dopamine

A patient exhibits symptoms including muscle paralysis, anxiety, and depression. Which neurotransmitter imbalance might be a contributing factor?

  • High levels of GABA
  • Low levels of Acetylcholine
  • High levels of Acetylcholine (correct)
  • Low levels of Serotonin

Parkinson's disease, depression and lack of motivation have been linked to which neurotransmitter imbalance?

  • Low levels of Dopamine (correct)
  • High levels of Dopamine
  • Low levels of Acetylcholine
  • High levels of Serotonin

Which neurotransmitter is heavily involved in reward, return, and addiction, where maintaining balance is crucial to avoid anxiety and depression?

<p>Dopamine (B)</p> Signup and view all the answers

Increased anxiety, panic attacks, and overstimulation can result from an imbalance of which neurotransmitter?

<p>High levels of Norepinephrine (B)</p> Signup and view all the answers

An individual experiencing lethargy, lack of motivation, and difficulty concentrating might be suffering from a deficiency in which neurotransmitter?

<p>Epinephrine (D)</p> Signup and view all the answers

Which of the following neurotransmitters is most associated with the body's 'fight or flight' response?

<p>Epinephrine (A)</p> Signup and view all the answers

Which neurotransmitter helps regulates sleep, feelings of calm, and the stimulation of brain activity?

<p>GABA (C)</p> Signup and view all the answers

Schizophrenia, anxiety, and panic disorders might be linked to reduced functioning of which neurotransmitter?

<p>GABA (B)</p> Signup and view all the answers

Which neurotransmitter is critical for nerve health, transmission, memory and is related to conditions such as restlessness and insomnia when imbalanced?

<p>Glutamate (D)</p> Signup and view all the answers

What conditions may arise from high levels of Glutamate?

<p>Anxiety and Panic (A)</p> Signup and view all the answers

Which neurotransmitter imbalance is most likely associated with improved mood?

<p>High Serotonin (D)</p> Signup and view all the answers

Which of the following neurotransmitters primarily influences mood, sleep, and libido?

<p>Serotonin (D)</p> Signup and view all the answers

Which neurotransmitter is known for memory, nerve health and transmission?

<p>Glutamate (D)</p> Signup and view all the answers

Which neurotransmitter does not directly contribute to at least one of the listed symptoms, anxiety, depression or panic disorders, when its levels are imbalanced?

<p>Epinephrine (D)</p> Signup and view all the answers

Which neurotransmitter imbalance is most likely associated with Schizophrenia and Hallucinations?

<p>High Dopamine (B)</p> Signup and view all the answers

Which neurotransmitter is connected to sleep habits?

<p>Dopamine (D)</p> Signup and view all the answers

Which neurotransmitter is connected to Energy?

<p>Norepinephrine (D)</p> Signup and view all the answers

Flashcards

Acetylcholine Function

A neurotransmitter involved in learning, memory, attention, and muscle movements. Influences mood and pleasure.

Dopamine Function

A neurotransmitter involved in reward, motivation, motor control, libido and sleep habits. Crucial for experiencing pleasure.

Norepinephrine Function

Neurotransmitter affecting attention, mood, motivation, energy, and concentration.

Epinephrine Function

Neurotransmitter that functions in concentration, focus and survival mechanisms.

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GABA Function

A neurotransmitter that inhibits brain activity, promoting relaxation, feelings of calm, and regulating sleep.

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Glutamate Function

A neurotransmitter involved in memory, nerve health, transmission, and overall mood regulation.

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Serotonin Function

A neurotransmitter involved in mood regulation, sleep, and libido.

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Low Acetylcholine

Low levels are associated with Alzheimers, memory loss and dementia.

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High Acetylcholine

Muscle paralysis, anxiety, and depression.

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Low Dopamine

Parkinson's, depression, fibromyalgia, and lack of motivation.

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High Dopamine

Schizophrenia, hallucinations, bipolar disorder, and manic episodes.

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Low Norepinephrine

Low levels cause depression, ADHD/ADD, and postpartum depression.

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High Norepinephrine Levels

High levels can cause increased anxiety, panic attacks, and overstimulation.

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Low Epinephrine

Low levels can cause lethargy, lack of motivation, and lack of concentration.

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High Epinephrine

High levels can cause anxiety and panic attacks.

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Low GABA

Associated with Schizophrenia, anxiety, panic disorders, and PTSD.

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High GABA

Associated with improved concentration, anxiety reduction, sleep disorder or Hypersomnia.

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Low Glutamate

Low levels are associated with ADHD, fatigue, and poor energy.

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High Glutamate

Causes restlessness, anxiety and panic, and insomnia.

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Low Serotonin

Low levels can cause depression, fatigue, and anxiety.

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Study Notes

  • Neurotransmitters are chemical messengers within the body.

Acetylcholine

  • Key functions include learning, retaining information, attention span, and muscle movements.
  • Also influences mood and pleasure.
  • Important to understand in relation to memory and Alzheimer's.
  • Low levels linked to Alzheimer's, memory loss, and dementia.
  • High levels can result in muscle paralysis, anxiety, and depression, hence balance is important.

Dopamine

  • Functions include influencing mood, pleasure, libido, physical movements and sleep habits.
  • Important to understand with regard to addiction, reward and return.
  • Balance is crucial, any shift can lead to anxiety and depression.
  • Low levels associated with Parkinson's, depression, fibromyalgia, and lack of motivation.
  • High levels associated with schizophrenia, hallucinations, bipolar disorder, and manic episodes.

Norepinephrine

  • Key functions include attention span, mood, motivation, energy and concentration.
  • Maintaining balance is key, as any swing can induce anxiety and depression.
  • Low levels can result in depression, ADHD/ADD, and postpartum depression.
  • High levels can result in increased anxiety, panic attacks, and overstimulation.

Epinephrine

  • Important for concentration, focus, and survival mechanisms.
  • Associated with "fight or flight" response.
  • Low levels can result in lethargy, lack of motivation, and lack of concentration.
  • High levels can result in anxiety and panic attacks.

Gamma-aminobutyric acid (GABA)

  • Functions include sleep regulation, feelings of calm, stimulation, and brain activity.
  • Calmness and balance are key.
  • Low levels can result in schizophrenia, anxiety, panic disorders, and PTSD.
  • High levels can improve concentration, reduce anxiety, but may cause sleep disorders or hypersomnia.

Glutamate

  • Important in memory, nerve health, and transmission.
  • Related to excitement.
  • Low levels can result in ADHD, fatigue, and poor energy.
  • High levels can result in restlessness, anxiety, panic, and insomnia.

Serotonin

  • Functions include mood regulation, sleep, and libido.
  • Impacts mood
  • Low levels result in depression, fatigue, and anxiety.
  • High levels can improve mood.

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