Psychology Post #2

Article 1- Brain Stimulations for Children With Learning Difficulties
Q: In one sentence, what was the research about?
A: It is a brain stimulation method they though would help increase mathematical skills in adults.
Q: How many subjects were used in the experiment?
A: 12
Q: Was there a control group?
A: No
Q: How were the subjects chosen?
A: They had to be between the ages 8 and 11, and had to have learning difficulties in mathematics
Q: What did the experimenters do to the subjects?
A: They used a method called transcranial rando noise stimulation (tRNS). In this one group of six kids wore a cap with a light, battery operated device. This devise sent out painless low electrical currents to the kids. They used did it nine times, each time it lasted 20 minutes and they did it all over 5 weeks.
Q: How did the subjects react
A: It improved their skills
Q: Did the subjects act the way the experimenters expected?
A: Yes

Article 2- Brain Changes Linked to Physical, Mental Health Functional Neurological Disorder
Q: In one sentence, what was the research about?
A: It is an imaging study that showed peoples physical and mental health has been impaired by a condition called neurological disorder.
Q: How many subjects were used in the experiment?
A: 53 (They took images of 26 patients and 27 healthy people’s brain)
Q: Was there a control group?
A: No
Q: How were the subjects chosen?
A: They had to have the neurological disorder
Q: What did the experimenters do to the subjects?
A: They compared the pictures of the brains to see what was wrong and to see what they could do
Q: How did the subjects react
A: They reacted good
Q: Did the subjects act the way the experimenters expected?
A: Yes

Article 3- Manipulating A Single Gene: Pathway to Anxiety 
Q: In one sentence, what was the research about?
A: Taking out a single gene can disrupt the development of certain nerve cells causing you to become more anxious than normal
Q: How many subjects were used in the experiment?
A: Some zebrafish, mice, fruit flies
Q: Was there a control group?
A: No
Q: How were the subjects chosen?
A: Random pick
Q: What did the experimenters do to the subjects?
A: watched them after they were missing the gene
Q: How did the subjects react
A: They were more anxious; some zebra fish were so full of anxiety that they stopped to hide from predators in plain sight. The fruit flies reacted by releasing a hormone binding protein.
Q: Did the subjects act the way the experimenters expected?
A: No

Article 4- Brain Activity May Be Predictor of Stress-Related Cardiovascular Risk
Q: In one sentence, what was the research about?
A: The article say’s “Stressful events predict bodily reactions, such a s blood pressure and increase risk of cardiovascular disease”.
Q: How many subjects were used in the experiment?
A: 310 (157 men 153 women)
Q: Was there a control group?
A: No
Q: How were the subjects chosen?
A: They had to be in between 31-51 years old and part of Pittsburgh Imaging Project
Q: What did the experimenters do to the subjects?
A: Researchers used machines to determine brain activity patterns that predicted the person’s blood pressure and heart rated while they reacted to mental stress tests
Q: How did the subjects react
A: They got stressed but were fine
Q: Did the subjects act the way the experimenters expected?
A: Yes


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