Biological Harder Details Flashcards
Which areas of the brain showed higher levels of activity in those not taking oxytocin spray? Why those areas?
Amygdale and fusiform face area
Process unpleasant and threatening faces
What was concluded from the oxytocin study?
Oxytocin can reduce anxiety and increase chances of social contact for people with a psychiatric disorder
What sort of sample was in the Newcomer study?
Self-selected
Who was used for the Newcomer study?
51 18-30 year old healthy people
How long did the Newcomer experiment last and what sort of study was it?
Four days
Double blind experiment
What dosage cortisol tablets were used in the Newcomer study?
A tablet of 160mg equivalent in blood after stressful event
A 40mg tablet equivalent in blood after minor stressful event
What is declarative memory?
Remembering facts, dates and events
Which group in Newcomer’s study showed no memory decrease?
Low level cortisol group
What other damage does cortisol do as well as learning and memory impairment?
Damages immune system
What is neuroplasticity?
The brain has the capability to change in terms of structure and neuron connections
What gender of rats were used in Rosenzweig’s study?
Male
How long did the rats spend in their environments in Rosenzweig’s study?
30-60 days
In the enriched condition, how many rats were together?
10-12
What sort of stimulation was found to affect the brain in Rosenzweig’s study?
Intellectual and social stimulation
What did follow-up research to Rosenzweig’s study show?
30 minutes a day in an enriched environment produced the same changes in the brain
Who were the participants in the Maguire study?
16 right-handed, male, at least 18 months navigation experience, average age 44, average time as taxi driver 14.3 years
16 right-handed, male, non-taxi drivers age matched
What created the comparison database in the Maguire study?
50, males, healthy, right-handed, aged 33-61 to get ‘average hippocampi’
How was analysis done on the MRI scans to compare them?
Voxel based morphometry to count pixels of image to see size