Humanities
America Public University Psychology Apllications Discussion

America public university

Question Description

Need help with my Psychology question - I’m studying for my class.

Week 8 Final Essay Exam

DUE: Mar 29, 2020 11:55 PM

Grade Details

GradeN/A iRubric Link
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Assignment Details

Open DateFeb 3, 2020 12:05 AM
Graded?Yes
Points Possible170.0
Resubmissions Allowed?Yes
Remaining SubmissionsUnlimited
Attachments checked for originality?Yes

Assignment Instructions

Final Exam

Answer the questions below completely and fully for full credit. This requires a minimum of two substantive paragraphs for each answer with a minimum total of 300 words for the combined paragraphs (not including the references). Use your learning resources and outside academic references (not Wikipedia!) to answer the questions completely. Support your answers with source credits (citations and references). Use APA formatting for all your work.

  1. Discuss the literature on split-brain and lateralization of function. What does the research tell us about each hemispheres ability to function independently (e.g., cognitively, creatively, etc.) and in unison? What are the implications for the cognitive neuroscientist in terms of research?
  2. Discuss one of the psychiatric disorders. Be sure to address both the physiological and behavioral aspects of the disorder (signs and symptoms, biochemical or genetic theories, etc.), and pharmacological and behavioral treatments for the disorder. What is the role of the biopsychologist or neuroscientist in this type of research?
  3. Discuss sleep in terms of the normal sleep cycle. Be sure to address the stages of sleep and physiological correlates associated with each stage. How does dreaming fit into our conception of a normal sleep cycle? Address theories of dreaming. What are the consequences of disruption of sleep?
  4. Critically evaluate the theories that have been used to explain emotion. Which do you think is the best theory and why?
  5. What brain regions and neurochemical systems are known to be involved in the regulation of sleep? What is known about the neurobiology and endocrinology of circadian rhythms?
  6. What brain structures and circuits are known to be particularly important for human memory? Discuss the evidence linking the hippocampus with an involvement in cognitive mapping and spatial memory.
  7. Compare and contrast Broca’s aphasia with Wernicke’s aphasia. What cortical regions need to be damaged to produce these types of aphasia, and what do they tell us about the brain mechanisms underlying language?
  8. What are the differences and similarities in the action of cocaine and heroin on the brains reward systems? Do all addictive drugs work by causing the release of dopamine in the nucleus accumbens? In what ways have learning and conditioning been shown to be important determinants of drug tolerance?
  9. Brain scanning technology is providing new insights into our understanding of the brain. Explain how CAT, MRI, PET and fMRI scanning works, and some of the ways in which this technology has been used to justify the above statement. Provide an example to support your answer.
  10. In what ways has the abnormal formation and deposition of amyloid been implicated in the pathogenesis of Alzheimer’s disease? How can cognitive reserve be built up? What evidence shows that this can have beneficial effects for maintaining mental functioning later in life?

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Running head: PSYCHOLOGY APLLICATIONS

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Running head: PSYCHOLOGY APLLICATIONS

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Question 1
Split-brain involves cutting corpus callosum to provide functional specialization to the
cerebral hemispheres. The lateralization of function involves the specialization of some neural
functions to one side of the brain. When brain-split happen the person lives a normal life but one
section of the brain cannot communicate with the other section of the brain. When these two parts
are cut aside each specializes in distinct tasks. The lefts side carries out the verbal and analytical
processes while speech processes happen from the right. The right side carries out space and music
perception processes and puts emotions into your speech. This perception tasks involve map
reading and giving directions. The right side, when involved in putting emotions to the speech, is
only able to articulate phrases and basic words. Without the right side, it is difficult to visualize
the words from the speech. When brain-split happens in a patient the two hemispheres tend to work
oppositely. When a task is imposed on one side after brain split, the other hemisphere has no
information concerning that task. This involves writing.
When one side is flashed with a word. The other side has no information about the word
written. The cognitive neuroscientist implications in terms of research involve understanding the
effects of emotions in the learning and entrepreneurship process based on interdisciplinary
approaches. The other implication is understanding on the knowledge of how the neuron s
collaborate to work together in firing and wiring together. This is where neurons need to fire
together to increase their connections when stipulating their functions. These implications help in
more understanding of the brain's psychological activities in various stages of life. This involves
children to adults through adolescence. It also facilitates the understanding of cognitive activities
in neuron circuits and areas that activates the brain. This provides insights into certain aspects that
are useful in areas of education (Sanches, 2016).

Running head: PSYCHOLOGY APLLICATIONS

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Question 2
Schizophrenia is a psychiatric disorder which is characterized by hearing sounds that are
not there. The affected individuals tend to feel that other people are hurting them. It is a chronic
disorder that affects an individual’s behaviors, thinking, and feeling. The affected have lost touch
with reality. Schizophrenia symptoms are divided into three subdivisions. This includes negative,
positive, and cognitive symptoms. Positive signs are not mostly present with healthy people. These
symptoms consist of feelings of hallucinations, thought related disorders, episodes of delusions,
and movement related disorders. Negative symptoms include reduced emotional expression, lack
of potential to start and sustain activities, pleasure feeling reduction, and reduced speaking.
Cognitive symptoms include; poor ability in understanding information and in the utilization of
the same information in making a decision. Inability to apply information after learning it, and
reduced focusing and attention paying ability. The risk factors involve genes and environment and
different brain structures and chemistry.
The theory associated with schizophrenia is vascular-inflammatory theory. This brings
genetics and environmental factors into consideration when explaining the diversity of the causes.
When the ideas are confirmed they will provide a more concrete treatment by avoiding causing
inflammation and keeping away agents that’s cause inflammation. This will prevent psychotic
episodes from those who are genetically predisposed. Schizophrenia focuses on eliminating the
symptoms. The treatment includes; antipsychotic medications that are taken as pills or injections,
psychosocial treatment. This involves learning and coping with the skills to avoid challenges
caused by this disorder with the help of a psychiatrist, and coordinated specialty care. This
combines the medication and psychosocial therapies to manage this disorder and the challenges.
The role of biopsychologists in psychiatric disorders includes; analyzing the brain

Running head: PSYCHOLOGY APLLICATIONS

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neurotransmitters affect our feeling, behaviors and thought. This aid in understanding the causes
and coming up with effective treatment. Neuroscientist analyzes and explains the biology of
neurons and their cellular properties to focus on how the brain compartment changes and develop
as the time changes. This helps in understanding how the various treatment works (Roberts, 2015).
Question 3
Sleep cycles form the part of internal biological clocks. This are patterns that occur while
we sleep which ...

Kevins_Jr (11378)
Carnegie Mellon University

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