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The main difference between the two is that source amnesia is a lack of knowing the basis of knowledge, whereas memory distrust syndrome is a lack of trust in the knowledge that exists. The latter implies an individual’s reason or belief that would prevent them from trusting their recollections.
The tip-of-the-tongue experience is a classic example of blocking, which is a failure to retrieve information that is available in memory even though you are trying to produce it. [2] The information you are trying to remember has been encoded and stored, and a cue is available that would usually trigger its recollection. [ 2 ]
Individuals with frontal lobe damage have deficits in temporal context memory; [6] source memory can also exhibit deficits in those with frontal lobe damage. [7] It appears that those with frontal lobe damage have difficulties with recency and other temporal judgements (e.g., placing events in the order they occurred), [8] and as such they are unable to properly attribute their knowledge to ...
Memory loss in patients with temporally graded RA strongly follows Ribot's law, meaning that one will experience more memory loss for events closer to the injury or disease onset. [4] This type of RA is commonly triggered in individuals with Korsakoff syndrome due to a combination of long-term alcohol use and Wernicke encephalopathy. [7]
When a person experiences a traumatic event that could trigger negative emotions, the person may attempt to avoid that memory as a short-term coping strategy. Over time, this memory retrieval style becomes negatively reinforced and generalizes to other memories that could potentially be connected to the original negative memory, leading to OGM. [3]
The atypical clinical syndrome of the memory disorder (as opposed to organic amnesia) is that a person with psychogenic amnesia is profoundly unable to remember personal information about themselves; there is a lack of conscious self-knowledge which affects even simple self-knowledge, such as who they are. [5]
Motivated forgetting is a theorized psychological behavior in which people may forget unwanted memories, either consciously or unconsciously. [1] It is an example of a defence mechanism, since these are unconscious or conscious coping techniques used to reduce anxiety arising from unacceptable or potentially harmful impulses thus it can be a defence mechanism in some ways. [2]
One subsequent human study found no effects of vasopressin on memory. [40] The nonsignificant results were attributed to the study's many potential flaws, particularly its small sample size, the inability of vasopressin to penetrate the blood brain barrier when administered as a nasal spray, inadequate dosing and differences in severity of head ...