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Biopsychology of amnesia
Biopsychology of amnesia
Example of childhood amnesia
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When we ask people to recall experiences, they rarely report memories dating from much before about three years of age. For the purpose of this assessment I have chosen the ‘Childhood Amnesia and the Beginnings of Memory for Four Early Life Events’ conducted by JoNell A. Usher and Ulric Neisser, published in 1993 in the Journal of Experimental Psychology: General. Therefore, in the following paragraphs I will outline the aim of the study, the methodology and the overall findings.
The current research indicates that most of the early memories are of distressing experiences. It is predicted that under certain conditions, children are able to recall painful and potentially harrowing medical experiences, such as shots (Goodman, Rudy, Bottoms, & Aman, 1990). The aim of this study was to highlight the offset of childhood amnesia (the earliest age of recall) correlated to four different cues (hospitalization, family move, death of a family member and birth of a younger sibling). The research question seems to be very interesting and stimulating because of the connection between the targeted events and participants years of age. Previous researches suggested that infants cannot remember events which took place earlier in their life because of the underdeveloped hippocampus (Nadel and Zola-Morgan, 1984). And therefore, one could argue that childhood amnesia can be explained in relation to the incapacity of the hippocampus to deal with episodic memory. On the other hand, Schachtel (1947) asserted that peculiar events can be recalled into adulthood but it depends on their effect upon the infant. In other words, memorable events are more likely to be remembered into adulthood than conventional ones.
Participants were recruited from the stud...
... middle of paper ...
...efore, it seems that peculiar memories are available from an earlier age in childhood than previous research has suggested.
Works Cited
Goodman, G. S., Rudy, L., Bottoms, B. L., & Aman, C. (1990). Children’s concerns and memory: Issues of ecological validity in the study of children’s eyewitness testimony. In R. Fivush & J. A.Hudson (Eds.), Knowing and remembering in young children (pp. 249-284). Cambridge, England: Cambridge University Press
Nadel, L., & Zola-Morgan, S. (1984). Infantile amnesia: A neuro-biological perspective. In M. Moscovitch (Ed.), Infant memory (pp. 145-172). New York: Plenum Press
Schachtel, E. G. (1947). On memory and childhood amnesia. Psychiatry, 10, 1-26.
Usher, J. A., & Neisser, U. (1993). Childhood amnesia and the beginnings of memory for four early life events. Journal of Experimental Psychology: General, 122, 155-165.
Hippocampus is a small, curved region, which exists in both hemispheres of the brain and plays a vital role in emotions, learning and acquisition of new information. It also contributes majorly to long term memory, which is permanent information stored in the brain. Although long term memory is the last information that can be forgotten, its impairment has become very common nowadays. The dysfunction is exemplified by many neurological disorders such as amnesia. There are two types of amnesia, anterograde and retrograde. Anterograde amnesia is inability in forming new information, while retrograde refers to the loss of the past memory. As suggested by Cipolotti and Bird (2006), hippocampus’s lesions are responsible for both types of amnesia. According to multiple trace theory, the author suggests that hippocampal region plays a major role in effective retrieving of episodic memory (Cipolotti and Bird, 2006). For example, patients with hippocampal damage show extensively ungraded retrograde amnesia (Cipolotti and Bird, 2006). They have a difficult time in retrieving information from their non-personal episodic events and autobiographical memory. However, this theory conflicts with standard model of consolidation. The difference between these theories suggests that researchers need to do more work to solve this controversy. Besides retrieving information, hippocampus is also important in obtaining new semantic information, as well as familiarity and recollection (Cipolotti and Bird, 2006). For instance, hippocampal amnesic patient V.C shows in ability to acquire new semantic knowledge such as vocabularies and factual concepts (Cipolotti and Bird, 2006). He is also unable to recognize and recall even...
The reliability of children’s eyewitness testimony is a controversial issue. Opinions range from proponents believing that children are virtuous in every detail to those who are more skeptical. In actuality, child testimony falls somewhere in between the two divergent views. Though children may not intend to intentionally distort the truth, they do seem to be very vulnerable to suggestibility. Therefore, certain comments and the form of questions can influence testimonials.
However, in regards to amnesic patients, the SMC has proven to be more widely accepted due to reported results implying that the hippocampus is important in consolidating LTM. In contrast, in anterograde patients, memories can be retrieved through recollection and familiarity. In fact, it has been proposed that the recollection process is mediated by the hippocampus.... ... middle of paper ... ...
Winograd, E., & Killinger, W. A. (1983). Relating age at encoding in early childhood to adult recall: Development of flashbulb memories. Journal Of Experimental Psychology: General, 112(3), 413-422. doi:10.1037/0096-3445.112.3.413
Many of the memories that were remembered are usually previous childhood experiences. Dewhurst and Robinson (2004) conducted a study where 5, 8 and 11 year old children were tested on memory illusion. One of the procedures used to test false memories is the DRM paradigm. The DRM paradigm presents a list of words that include a critical word that is typically remembered although it was never presented. During the DRM procedure the children were given five lists that contained eight words. Each list consisted of at least one rhyme and a semantic theme. Each child was tested on their own by the classroom
The article How to Tell If a Particular Memory Is True or False by Daniel M. Bernstein and Elizabeth F. Loftus, addresses the various techniques used by cognitive scientists and other researchers in hopes of distinguishing true from false memories. For this article Loftus and Bernstein, memory researchers, chose to discuss the different methods currently used, rather than trying to find new ways to tell if a particular memory is true or false. Their findings in these three different approaches are very interesting, and leads us to think critically of the veracity of true and false memories.
Amnesia affects the memory. People diagnosed with amnesia lose memories that occur before the onset of amnesia. Amnesia affects the memory, how well you can store long term memory. If amnesia occurs, one might have trouble with long term memory in the future, or simply forget most of their past. Due to the brains plasticity, the brain can use association areas to help build memory. Amnesia commonly comes in two forms that occur together: Retrograde amnesia and Anterograde amnesia.
Quas, J. A., Goodman, G. S., Bidrose, S., Pipe, M., Craw, S., & Albin, D. S. (1999). Emotion and memory: Children's long-term remembering, forgetting, and suggestibility. Journal of Experimental Child Psychology, 72, 235-270.
Retrograde and Anterograde Amnesia Darling, what did you say was Sue's number? " I don't remember stripping at Dan's birthday party last year!" No officer, I don't know what happened after the accident. I can't even remember my name. " Amnesia is the partial or complete loss of memory, most commonly temporary and for only a short period of time.
Researchers did this by testing four groups with the same criteria as the previous study, a control group and continuous, repressed, recovered memories groups of CSA. During this test, participants were given a word and must state a memory of an event that occurred no longer than one day in one minute or less. Half of the word cues were prompted to respond to a memory from childhood and the other half a memory from adulthood. Participants were then asked to report the date that the event occurred. The latency to retrieve a memory was recorded and used as a dependent variable. Although all four groups retrieved adulthood memories with ease, results revealed that all three groups with memories of CSA had difficulty in retrieving childhood memories. The repressed memory group performed significantly worse in the retrieval of these specific childhood
Farrants, J. (1998, September). The 'false' memory debate. Counseling Psychology Quarterly. Retrieved September 14, 2000 from ProQuest database (Bell & Howell Information and Learning-ProQuest) on the World Wide Web: http://proquest.umi.com/pqdweb
...tumps them and studies and research is still being conducted in order to gain more insight into this quizzical case. But in order to understand the correlation between age and eidetic memory, one can look at the causes as three different theories. The first theory is the Linguistic theory, the idea that as children mature, their language skills help them perceive information. The second theory is one dealing with functionalism. The idea is that over time, the child’s brain learns to retain only significant bits of information and discard unnecessary ones. And the last theory deals with association. As one matures, one learns to associate their different senses in order to process information. In all, each theory takes credence, because one provides a thoughtful and logical explanation as to why children rely less and less on visual imagery to build their memory.
Bartlett’s “War of the Ghosts” experiment (1932) is a classic example of false memories. The results of his study found participants would unintentionally alter the information of a story they read in a way that was more reflective of their own lives. Otagaar, et.al. (2013) examined false memories by developing non-believed memories in adults and children about taking a ride in a hot air balloon. The results of this study found that when the participants were asked immediately after reading a passage about this memory, most did not recall going on a hot air balloon. However, when the participants were called back a few months later, a higher percentage of participants recalled having experienc...
According to Sternberg (1999), memory is the extraction of past experiences for information to be used in the present. The retrieval of memory is essential in every aspect of daily life, whether it is for academics, work or social purposes. However, many often take memory for granted and assume that it can be relied on because of how realistic it appears in the mind. This form of memory is also known as flashbulb memory. (Brown and Kulik, 1977). The question of whether our memory is reliably accurate has been shown to have implications in providing precise details of past events. (The British Psychological Association, 2011). In this essay, I would put forth arguments that human memory, in fact, is not completely reliable in providing accurate depictions of our past experiences. Evidence can be seen in the following two studies that support these arguments by examining episodic memory in humans. The first study is by Loftus and Pickrell (1995) who found that memory can be modified by suggestions. The second study is by Naveh-Benjamin and Craik (1995) who found that there is a predisposition for memory to decline with increasing age.
Also the way I did things when younger was because of my surrounding like getting into fights with some of the kids and etc. One thing i did not never picked up from this was the used of drugs I was taught not to mess with those things and I was given the chance in my early childhood to experience drugs by gansters around the block but i always refused which by many of them that know me now that i am grown have to respect and admire it. Now what is used to recalled this is information would be sources of bias which would have to be memory related. This are memory that have been stored because they are not very unpleasent and according to chapter in the book those painful memory are often erased.