The Evidence and Theory of False Memories [3]
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关键词:Theory of False Memories虚假回忆特定事件的记忆person’s memoryMemory researchers
摘要:Memories theories have always predicted, and older as well as newer findings show, that things that once appeared forgotten can possibly be recovered under other circumstances.
sness. For this reason therapy is less threatening and memories can be recovered, especially in the case of alleged sexual abuse.
For example, in the past few years there has been much publicity on people who claim to suddenly recover memories of childhood sexual abuse. People experience memories that have not been there for years yet after time the repressed memories are recovered by therapists and other trained professionals. While some of these accounts may be true in some instances, Alison, Kebell & Lewis (2006) suggest that the memory of a traumatic event varies depending in the level of stress associated with the event (p 425). Moderating stressful events such as a near car accident results in memory impairment, with 80% of incidents forgotten within 2 weeks (p 425). However, with higher levels of arousal such as in the case of an actual collision rather than a near miss of a car accident lead to detailed memories.
While there is a considerable difference between a sexual abuse case and a car accident or near car accident the person affected would have less of a reason to rehearse a near accident than the actual accident. Therefore, there is a strong positive relationship between comprehending something of a specific event and what is perceived. However, some researchers argue that trauma inhibits and enhances the memory depending on the amount of stress involved and level of arousal therefore with moderate to extreme arousal it causes interference with encoding due to the reduction in attention. Nonetheless, there are currently no laboratory studies that support this hypothesis.
For this reason, Van der Kolk and Fisler (1995) argue that in order to demonstrate the “special” nature of traumatic events, studies need to measure the characteristics and content of traumatic memories over time and in comparison to non traumatic events (p 425). While many of the experimental studies of memory are of little significance because the studies do not involve highly stressful and traumatic stimuli, Van der Kolk et al, (1995) find that “if trauma is defined as the experience of an inescapable stressful event that overwhelms a person’s existing coping mechanisms, it is questionable whether findings of memory distortions in normal subjects exposed to videotaped stresses in the laboratory can serve as meaningful guides to understanding traumatic memories” (p 506). Therefore, false memories and other kinds of events cannot be generalized memories because in contrast non traumatic memories are loosely connected chunks of sensory information that flashbacks in a fragmented and confusing form. While the sensation does include visual images, sounds, smells and bodily sensations the traumatic experience still intrudes into a persons consciousness.
Psychoanalysis &, Dissociative Amnesia Theories
However, in theory repression and disassociation with a persons ability to recall false memories such as in the case of child sexual abuse, is something that Alison, Kebbell & Lewis (2006) stated Freud considered as a “question of things which people wish to forget, therefore, they intentionally repress from the unconscious thought that is inhibited and repressed” (p 420). For this reason, Freud argued that while some experiences are so traumatic and buried in the unconscious causing fear and pain, it is uncertain as to whether th
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