Identify the disorder or injury you selected and give a brief description.

For this assignment you will get an opportunity to learn about the various components of biological psychology while gaining insight into a self-selected disease or disorder. Select a topic of interest from the following table or choose one on your own.

Alzheimer disease

Multi-infarct dementia

Amyotrophic Lateral Sclerosis

Multiple sclerosis


Parkinson’s disease

Closed head injury/Traumatic Brain Injury


Lewy Bodies Dementia

Seizure disorders: epilepsy

Fetal alcohol syndrome

Tourette syndrome

Huntington’s disease

Wernicke-Korsakoff Syndrome

Middle cerebral artery stroke

After you have selected your disorder of interest, determine at least one neurotransmitter that is altered (increased or decreased) by the injury or disorder. For some of the disorders, you will find that neurotransmitters are altered at different times or stages. For example, when a person has an epileptic seizure, a gamma-aminobutyric acid (GABA) deficiency may be associated with the onset of seizures; however, the levels may be normal during other times.

Your goal will be to identify at least one neurotransmitter that is altered early at some point after the injury or onset of the disorder. State what role the neurotransmitter plays in central nervous system (CNS) functions and then provide an example of what happens when the neurotransmitter is either decreased or increased. If the neurotransmitter changes at a specific time, specify when it is altered. In a Word document, respond to the following:

Identify the disorder or injury you selected and give a brief description.
Identify and describe at least one neurotransmitter that is altered by the disorder or injury.
State the role of the neurotransmitter in the CNS functions and provide an example of what happens when the neurotransmitter is decreased or increased.

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