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Questions and Answers
What is the key role of neurotransmitters in the brain?
What is the key role of neurotransmitters in the brain?
- To store information
- To transmit information (correct)
- To create electrical impulses
- To regulate hormones
What type of mental disorder has been linked to low activity of neurotransmitters?
What type of mental disorder has been linked to low activity of neurotransmitters?
- Anxiety
- Bipolar disorder
- Schizophrenia
- Depression (correct)
What is the purpose of cortisol?
What is the purpose of cortisol?
- To regulate hormones
- To help the body deal with stress (correct)
- To send electrical impulses
- To store information
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Study Notes
- Mental disorders can be related to problems in the transmission of messages from neuron to neuron.
- Information is communicated throughout the brain in the form of electrical impulses, and neurotransmitters play a key role in moving information through the brain.
- Studies indicate that abnormal activity by certain neurotransmitters can lead to specific mental disorders.
- Depression, for example, has been linked to low activity of the neurotransmitters serotonin and norepinephrine.
- In addition to focusing on neurons and neurotransmitters, researchers have learned that mental disorders are sometimes related to abnormal chemical activity in the body’s endocrine system.
- During times of stress, the adrenal glands, located on top of the kidneys, secrete the hormone cortisol to help the body deal with the stress.
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