Using CogLab, perform the blind spot experiment and create a report on the experiment.
In your r e port, write a brief introduction that explains the various causes of blind spot.
Next, in the Methods section, describe the process that you followed to complete the experiment. Make sure to include enough information so that others can also perform the same experiment successfully.
Finally, in the Results section, describe the experimental results. Summarize your report, including answers to the following questions:
- Were the results in accordance with your expectations? Provide a rationale to support your answer.
- Did anything about the experiment surprise you? If yes, what?
- What factors can influence the results of the blind spot experiment?
Submission Details:
- Support your responses with examples.
- Cite any sources in APA format
Research Articles.html
Research Articles
The question that may arise in your mind is, “Why are peer-reviewed research articles important when we can easily access similar information from the Internet?”
The answer to this question is quite simple. When searching for information on topics on the Internet, it is difficult to verify the quality of the work because anyone can publish anything on the Internet. Therefore, you will not know whether the experimental methods used are appropriate and the results interpreted are accurate or the individual published the information just for financial gain. However, in case of published peer-reviewed research papers, the situation is completely different. The peer-review process usually ensures that the paper is of high quality, presents unique results, and is not motivated only by financial gain.
When a psychologist submits a paper to a peer-reviewed journal, such as in the articles listed in PsycARTICLES database of EBSCOhost, at least three other psychologists read the paper and critique it. They make sure that:
Valid and reliable experimental methods are used.
Questions asked are reasonable.
Conclusions (statistical analysis and interpretation) drawn from the results are accurate.
The peer reviewers sometimes also offer additional insights into the topic that the author did not know about.
Finally, authors need to reveal if they have any financial interest in any aspect of the study.
Additional Material
View a PDF Transcript of The Peer-Review Process
media/transcripts/SU_PSY3002_Peer_Review
Page 1 of 1
PSY3002_Cognitive Lab
© 2009 South University
The Peer-Review Process
When a psychologist submits a paper to a peer-reviewed journal, such as in the articles listed in
PsycARTICLES database of EBSCOhost, at least three other psychologists read the paper and
critique it. They make sure that:
• Valid and reliable experimental methods are used.
• Questions asked are reasonable.
• Conclusions (statistical analysis and interpretation) drawn from the results are accurate.
The peer reviewers sometimes also offer additional insights into the topic that the author did not
know about.
Finally, authors need to reveal if they have any financial interest in any aspect of the study.
Blind Spot and Blindsight.html
Blind Spot and Blindsight
Have you ever noticed a blank spot in your vision?
Probably not. However, everyone has a blind spot in each eye. Under normal viewing circumstances with both eyes, the blank areas are not apparent. However, under specific conditions, such as those described in the blind spot experiment of your course textbook, CogLab on a CD, it becomes clear that each eye has a blind spot.
What is a blind spot?
The blind spot is an area in the retina where the retinal ganglion cells exit the eye, forming the optic nerve. No rods or cones are present in this area to process information and send it to the brain.
What is blindsight?
Damage to the visual pathway can create blind spots, or scotomas. Damage to the visual cortex (located in the occipital lobe), such as from a brain injury or a stroke, can create blank areas in the visual field. Although, in such a condition, an individual cannot consciously see objects in that area, he or she may have subconscious awareness of the object. This condition is known as blindsight. That is, although an individual may claim that he or she is unable to see an object in the area of their scotoma and find the instructions to reach out for the object odd; the individual can still reach out to it accurately and grasp the object if asked to do so.
How can an individual reach out and grasp an object accurately even in a condition of blindsight?
Research indicates that while the visual cortex is needed for conscious perception, other areas of the brain involved in visual perception also provide information.
Additional Material
View a PDF Transcript of Blind Spot and Blindsight
media/transcripts/SU_PSY3002_Blind_Spot
Page 1 of 1
PSY3002_Cognitive Lab
© 2009 South University
Blind Spot and Blindsight
Have you ever noticed a blank spot in your vision?
Probably not. However, everyone has a blind spot in each eye. Under normal viewing
circumstances with both eyes, the blank areas are not apparent. However, under specific
conditions, such as those described in the blind spot experiment of your course textbook, CogLab
on a CD, it becomes clear that each eye has a blind spot.
What is a blind spot?
The blind spot is an area in the retina where the retinal ganglion cells exit the eye, forming the
optic nerve. No rods or cones are present in this area to process information and send it to the
brain.
What is blindsight?
Damage to the visual pathway can create blind spots, or scotomas. Damage to the visual cortex
(located in the occipital lobe), such as from a brain injury or a stroke, can create blank areas in
the visual field. Although, in such a condition, an individual cannot consciously see objects in that
area, he or she may have subconscious awareness of the object. This condition is known as
blindsight.
That is, although an individual may claim that he or she is unable to see an object in the area of
their scotoma and find the instructions to reach out for the object odd, the individual can still reach
out to it accurately and grasp the object if asked to do so.
How can an individual reach out and grasp an object accurately even in a condition of
blindsight?
Research indicates that while the visual cortex is needed for conscious perception, other areas of
the brain involved in visual perception also provide information.
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