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Stress can cause acute and chronic changes in certain brain areas which can cause long-term damage. [4] Over-secretion of stress hormones most frequently impairs long-term delayed recall memory, but can enhance short-term, immediate recall memory. This enhancement is particularly relative in emotional memory.
The neurological cause of psychogenic amnesia is controversial. [5] [7] Even in cases of organic amnesia, where there is lesion or structural damage to the brain, caution must still be taken in defining causation, as only damage to areas of the brain crucial to memory processing is possible to result in memory impairment. [7]
False memory is an important part of psychological research because of the ties it has to a large number of mental disorders, such as PTSD. [56] False memory can be declared a syndrome when recall of a false or inaccurate memory takes great effect on a person's life.
Critics of recovered memory therapy note that the therapy can create false memories through its use of powerful suggestion techniques. [94] [95] It has also been found that patients who retract their claims—after deciding their recovered memories are false—may have post-traumatic stress disorder due to the trauma of illusory memories. [96]
The principle that individuals can hold false memories and the role that outside influence can play in their formation is widely accepted by scientists, but there is debate over whether this effect can lead to the kinds of detailed memories of repeated sexual abuse and significant personality changes (i.e. cutting off family members) typical of ...
Intense psychological stress caused by unwanted, troublesome memories can cause brain structures such as the amygdala, hippocampus and frontal cortex to become activated, as they process the memory. Related to this, there is some neuroimaging ( fMRI ) evidence that those who are susceptible to PTSD have a hippocampus with a reduced size. [ 4 ]
Memory and trauma is the deleterious effects that physical or psychological trauma has on memory. Memory is defined by psychology as the ability of an organism to store, retain, and subsequently retrieve information. When an individual experiences a traumatic event, whether physical or psychological trauma, their memory can be affected in many ...
There is barely any recalled memory in cases of fear and trauma exposure, brain injury, post-traumatic stress disorder, pain, or anxiety. Recall memory is very limited, since the only memory people with these problems have is the flash backs of what happened when the event took place. [ 62 ]