Wednesday, December 14, 2016

The Neuroethics of Memory Modification:


MMTs and the "True Self"



          A person can hide his or her true self from others by successfully pretending to have different inclinations and desires than those that he or she does have, but new memory modification technologies (MMTs) can now make it possible to hide one’s true self by editing one’s memories. Memories are a major part of our identities. Some memories are not central to a person’s identity, but it is difficult to determine which memories are trivial and which ones are significant. Editing these significant memories, however, may seem “incompatible with remaining true to ourselves.” Alexandre Erler argues that the use of MMTs threaten a person’s authenticity. While memory enhancement does not, in itself, threaten the authenticity of a person, memory editing can threaten truthfulness. Memory enhancement, which ranges from using mnemonic devices to pharmacological enhancers such as Alzheimer’s drugs, can actually provide a variety of benefits. For example, it can be used as a treatment or cure for obsessive compulsive disorder, post-traumatic stress disorder, and other illnesses that stem from painful past memories. It can promote self-cultivation, knowledge, general well-being, and a greater ability to learn from one’s mistakes. Reducing the vividness of a memory or erasing a memory completely is the kind of editing that Erler finds problematic.
According to S. Matthew Liao, changing our memories may change what we believe to be true about ourselves. “We may believe that we are brave or cowardly; altruistic or selfish; generous or stingy; and we may identify ourselves with certain ideologies: liberal or conservative; egalitarian or elitist; feminist or male-chauvinist, and so on.” Changing the memory of one or two pivotal moments in our lives can alter how we view ourselves and destroy our authenticity. Liao presents three different accounts of authenticity: the wholeheartedness account, the existentialist account, and the “true self” account. In the first account, an authentic person wholeheartedly identifies with certain desires and acts upon these preferences. In the existentialist account, an authentic person has both honesty and autonomy in his or her life choices and takes full responsibility for these choices. In the true self account, an authentic person is faithful to a “true” self that is not just a product of his or her choices. This virtue comprises one’s identity, according to Liao. Although there is no fully accepted definition of authenticity of a person, Liao finds the true self account the most accurate. If someone is not true to himself or herself when doing so would be valuable, then he or she is not authentic.
Is it wrong to radically change oneself and become “inauthentic”? What is the relevant difference between using MMTs to change oneself and profoundly reforming oneself through a rehabilitation process? This inauthenticity can be problematic because it interferes with the process that caused a person to respond in a certain way to a particular situation. Liao and others argue that MMTs provide people with a distorted view of themselves and the world. Consider a case in which a man with a traumatic childhood who turns to a life of crime cannot find relief from agony with psychotherapy or the use of propranolol. If these treatments are not alleviating his pain or helping him suppress his desire to commit crimes, would it be immoral for him to relieve his suffering with memory editing tools? It is disturbing to think that criminals can live their whole lives without remembering any crimes they committed prior to a treatment like this. It may be ethically sensible to erase the man’s traumatic childhood memories to prevent further suffering and further compulsions related to criminal activity, but not to an extent that the man can be exempt from taking responsibility for his crimes. If people who commit crimes that harm others can simply forget their guilt and wrongdoings by using MMTs, a basic deterrent is lost.
          Other issues with memory editing include the lack of specificity and its limited use, for the moment. Researchers are still unsure of the mechanisms behind memory deletion. They are not sure if memories are weakened due to changes in synaptic networks or if there is a change in the retrieval process of the memory. Also, when deleting or editing one memory, other memories connected to the target memory will be affected. This leads to a problem with specificity. After considering the implications of memory editing techniques and the benefits of using this technology to treat illnesses and reduce suffering, it is still ultimately up to individuals to decide how to use MMTs, as long as there is no prima facie duty to not interfere with certain memories.

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