Review the accepted mechanisms of tobacco abuse and dependence and the etiologic theories of schizophrenia.

ASSIGNMENT 1 – 250 WORDS

1. Australian Broadcasting Corporation. (2009). What is a stem cell? (Links to an external site.)Links to an external site. [Video file].  Retrieved from the Films on Demand database.

  • This video       provides a discussion of the use of stem cells in management of illness       and trauma.

2. Intelecom. (n.d.). Brain injuries (Links to an external site.)Links to an external site. [Video file]. Retrieved from http://searchcenter.intelecomonline.net/playClip.aspx?fromSearch=true&searchTerm=brain+injuries&fromMyClips=false&id=fXSknMNzL00NzLcBmc9INzL&ssp=0&lid=23596559

  • This video       provides an overview of rehabilitation methods in traumatic brain injury.

After reading Chapter 13 of your course text and viewing Brain Injuries and What is a Stem Cell?, which cover brain injury and repair, analyze the clinical, biological, and psychological factors that are important in successful brain function recovery outcomes. How can the brain repair itself or restore lost function after TBI or other brain damage (focus on the concept of neuroplasticity)?  Wilson (2012) lists ways that the brain can repair itself, but reminds us later in the chapter that, in most areas of the brain, replication of neurons by mitosis to replace lost/dead neurons only occurs in immature brains (i.e., essentially those younger than age two). There are some areas (e.g., the hippocampus, which is responsible for memory) that have neurogenesis, but other areas of the brain must utilize neuroplasticity to restore lost function.
In addition, discuss what clinical, biological, and psychological factors are important in successful brain function recovery outcomes. What are some clinical interventions (e.g., medication, surgery, stem cell therapy, physical therapy, occupational therapy, rehabilitation techniques, and psychotherapy) that help facilitate the restoration of lost brain function? Include information on brain structures, pathways, neurotransmitters/receptors, and psychological factors when discussing the topic areas above. Additional emphasis should be placed on relating the underlying pathology of brain trauma and damage to the actual biologic mechanism of how various treatments support repair or restoration of function.
In keeping with the focus of this class, the emphasis should be placed on the role of neurotransmitter and receptor systems, neuroanatomical structures, and neurological functional pathways. You must use a minimum of one peer-reviewed source that was published within the last five years, documented in APA style, as outlined in the Ashford Writing Center.  Your post should be a minimum of 250 words.  You may cite and reference your textbook, required reading and/or multimedia, but these will not fulfill the source requirement.

ASSIGNMENT 2 – 250 WORDS

1. Sussman, S., & Sussman, A. N. (2011). Considering the definition of addiction (Links to an external site.)Links to an external site..  International Journal of Environmental Research and Public Health, 8(10): 4025–4038.  Retrieved from http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3210595/

  • This article       provides a discussion on the terminology of addictionology.

After reading Chapter 11 and 12 in your course text and the article “Considering the Definition of Addiction (Links to an external site.)Links to an external site.” which covers the biological basis of emotion, addiction (substance abuse disorder), and disordered behavior, analyze the high rate of smoking in those diagnosed with schizophrenia compared to the general population.  Why are smoking cessation interventions less successful in these individuals? Review the accepted mechanisms of tobacco abuse and dependence and the etiologic theories of schizophrenia. What are the biological and/or psychological mechanisms between schizophrenia and smoking?  Include information on brain structures, pathways, neurotransmitters/receptors, and psychological factors when discussing the topic areas above.  Additional emphasis should be placed on relating the underlying pathology of schizophrenia to tobacco dependence/abuse and the biological or psychological mechanism of the observed association of smoking behavior to the diagnosis of schizophrenia.
In keeping with the focus of this class, the emphasis should be placed on the role of neurotransmitter and receptor systems, neuroanatomical structures, and neurological functional pathways.  You must use a minimum of one peer-reviewed source that was published within the last five years, documented in APA style, as outlined in the Ashford Writing Center. How does the data support the proposed mechanism in the article you chose?  What other possible mechanisms might explain this relationship?  Is it possible that biology has nothing to do with the relationship between smoking and schizophrenia?  Your post should be a minimum of 250 words.  You may cite and reference your textbook, required reading and/or multimedia, but these will not fulfill the source requirement.

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