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Fmri Understanding

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Submitted By jess1994
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“Critically consider how advances in fMRI scanning have contributed to our understanding of the systems, processes and functions of human memory.”

Introduction:
The aim of this essay is to critically consider the advances in fMRI scanning to our understanding of the systems, processes and functions of human memory. fMRI (functional magnetic resonance imaging) is a functional neuroimaging procedure using MRI technology that measures brain activity by detecting associated changes in blood flow. We are going to explore these three areas in depth, finding support and critiques for each one. As this is a big debate in neuropsychology there are several theorists supporting this debate and also critiques that have different views on this subject.
Memory is the process in which information is encoded, stored, and retrieved. Encoding allows information from the outside world to reach the five senses in the forms of chemical and physical stimuli. Without a memory of the past we are unable to operate in the present and think about in the future. Henson 2006 used fMRI to compare single and dual processes of recognition memory. According to single processes items that are presented and remembered compared to those that are seen familiar (knowing) differ only in memory strength. However dual processes state that the ‘remember’ and ‘know’ judgements are qualitatively different as they rely on two distinct memory processes. Therefore Henson 2006 argued that any qualitative fMRI data between remembering and knowing judgements would favour dual processes theories then single theories. Henson observed such as true qualitative difference in his research on recognition memory, between experimental conditions and brain activations. The posterior cingulate cortex was strongly activated for remember than know judgements whereas the right frontal cortex was more strongly activated for

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