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Evaluate research on localization of function with regard to human…
Evaluate research on localization of function with regard to human behaviour
Sharot et al.
amygdala activity when recalling the flashbulb memory of the 9/11 attacks
sample of 24 people that were in new york at the attack and near the area
provides evidence that the amygdala is resonsible for the emotional part of a memory
some people although having a flashbulb memory, didn't have a great stimulation of the amygdala when recalling the event
concluded that proximity to the attack had an impact on the amygdala's activity
Description
Evaluation
the people were put into an fMRI scan and made to respond to a stimulus word beginning with summer or september
People then had to rate their recollection on vividness, detail, confidence and arousal
very unlikely for there to be demand characteristics
empirical evidence to support localization
culturally biased
low ecological validity as they were in an fMRI scan
The Case of HM
Had very severe epilepsy and had his hippocampus removed
provides evidence to support localisation as the removal of the hippocampus was responsible for the short to long term transformation
this was only the case for one person and so there is a low generalisability
there is a strong cause and effect built in this study and the effect of the removal of the hippocampus caused a great change in the human behaviour of HM
This caused him to not have epilepsy anymore, but he also became incapable to transform his short term memory into long term
triangulation method was used to see how he is reacting to things - experiments, interviews and MRI scans
the epilepsy was caused by an accident he was in at 10 years old
Corkin did the MRI on HM to observe the brain's action
after removing the hippocampus, he couldn't remember things he had done before, but his skills in certain aspects improved over time
Longitudinal Triangulation Method providing concurrent evidence
there was no recording of his brain activity before the accident - could have had naturally a different function in the hippocampus
cannot be replicated ethically due to the natural environment it occurred in
Description
Evaluation
Maguire
london taxi drivers had their brains observed in an MRI to see their volume of their right posterior hippocampi
london taxi drivers have to spend years memorising every road in london - causing them to have to put many road names in their long term memory
this provides evidence for the right prosterior hippocampus to be responsible for the storage of long term memories
the volume of the taxi drivers' hippocampus was much greater than the average person who isn't in that profession
there are possible external variables that could be affecting the results in the volune of the hippocampus
small sample size only of Londoners
Quasi- experiment no cause and effect or manipulation of the IV
single-blind experiment
Description
Evaluation
not main paragraphs
Introduction
localization definition
a certain part of a brain having a specific function
the different types of research to be discussed
the human behaviour to be discussed
Conclusion
localization is overall well supported
it is a very strongly believed theory
referring back to the question