The Neurobiology of Memory and Aging Essay -- Science Scientific Essay

The Neurobiology of remembering and growdness I lost my keys again, my mother exclaimed at dinner a a few(prenominal)er nights ago, I really am getting old. This use of old progress as a justification for depot deficits is extremely common. Many sight relate old age with loss of fund and other neurobiological functions. Why is it that aging seems to go hand in hand with losing and forgetting things? Is on that point a neurobiological explanation for this phenomenon? It is clear to neurobiologists that aging results in a decrease in brain size as well as a decrease in the efficiency of brain functions. It has been a astray held belief that aging causes neurons to die and for the overall number of neurons to decrease as one reaches old age. Studies conducted by Dr. David Merrill refute this idea, sighting a inadequacy of neuronal loss in the entohinal cortex after running an magnetic resonance imaging on a fit subject. Instead, Merill indicates that loss of neuron s may occur in degenerative disorders, such as Alzheimers, but not in red-blooded brains. How ever so, it remains true that some aspects of cognition do decline as age increases, such as short condition and long destination memory. Since these effects are not caused by a decrease in the number of neurons present, in that location must be another neurobiological explanation. In order to understand memory loss it is necessary to understand how memory works in a normal brain without any cognitive deficits. Memory can be separated into three distinct move working memory, declarative memory, and procedural memory (1). Working memory is the around(prenominal) short term, and it involves repeating something that someone has just said in parley or remembering something you had just seen briefly. This part of memory does not ever become fully sto... ...mplex..http//psych.wisc.edu/postlab/Psych733/Nadel_Moscovitch.1997.pdf4)Nadel and Moscovitch. Memory Consolidation, Retrograde Amnesia and the Hippocampal Complex..http//psych.wisc.edu/postlab/Psych733/Nadel_Moscovitch.1997.pdf5) The Symptoms of Alzheimers. .http//www.diseases-explained.com/Alzheimers/symptomsalzheime.html6) Greenwood. .http//sln.fi.edu/brain/ nutriment/carbohydrates/brainpower.html7) Alzheimers Secondary Victims. .http//sites.unc.edu/error.html8)Alipoprotein E. .http//home.mira.net/dhs/apoe.html9) Determining the Cause of Memory Loss in the time-honored .http//www.postgradmed.com/issues/1999/10_15_99/welsh.htm10)Stress tied to Memory Loss .http//www.academicpress.com/inscight/04221998/grapha.htm11)University of Kuopio, Series Reports, Department of Neurology . http//www.uku.fi/neuro/39abs.htm The Neurobiology of Memory and aging Essay -- Science Scientific EssayThe Neurobiology of Memory and Aging I lost my keys again, my mother exclaimed at dinner a few nights ago, I really am getting old. This use of old age as a justification for memory deficits is extremely common . Many good deal relate old age with loss of memory and other neurobiological functions. Why is it that aging seems to go hand in hand with losing and forgetting things? Is there a neurobiological explanation for this phenomenon? It is clear to neurobiologists that aging results in a decrease in brain size as well as a decrease in the efficiency of brain functions. It has been a wide held belief that aging causes neurons to die and for the overall number of neurons to decrease as one reaches old age. Studies conducted by Dr. David Merrill refute this idea, sighting a wish of neuronal loss in the entohinal cortex after running an magnetic resonance imaging on a healthy subject. Instead, Merill indicates that loss of neurons may occur in degenerative disorders, such as Alzheimers, but not in healthy brains. However, it remains true that some aspects of cognition do decline as age increases, such as short term and long term memory. Since these effects are not caused by a decreas e in the number of neurons present, there must be another neurobiological explanation. In order to understand memory loss it is necessary to understand how memory works in a normal brain without any cognitive deficits. Memory can be separated into three distinct separate working memory, declarative memory, and procedural memory (1). Working memory is the most short term, and it involves repeating something that someone has just said in confabulation or remembering something you had just seen briefly. This part of memory does not ever become fully sto... ...mplex..http//psych.wisc.edu/postlab/Psych733/Nadel_Moscovitch.1997.pdf4)Nadel and Moscovitch. Memory Consolidation, Retrograde Amnesia and the Hippocampal Complex..http//psych.wisc.edu/postlab/Psych733/Nadel_Moscovitch.1997.pdf5) The Symptoms of Alzheimers. .http//www.diseases-explained.com/Alzheimers/symptomsalzheime.html6) Greenwood. .http//sln.fi.edu/brain/ pabulum/carbohydrates/brainpower.html7) Alzheimers Secondary Vict ims. .http//sites.unc.edu/error.html8)Alipoprotein E. .http//home.mira.net/dhs/apoe.html9) Determining the Cause of Memory Loss in the gray .http//www.postgradmed.com/issues/1999/10_15_99/welsh.htm10)Stress tied to Memory Loss .http//www.academicpress.com/inscight/04221998/grapha.htm11)University of Kuopio, Series Reports, Department of Neurology . http//www.uku.fi/neuro/39abs.htm