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Importance of human memory
The importance of a good memory
The importance of a good memory
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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.
Human memory is highly susceptible to modifications due to the compelling nature of false memories. This causes the recollection of events to be different from the way they happened or to be non-existent. (Roediger, Jacoby and McDermott, 1996). The first study by Loftus and Pickrell (1995) was to understand and determine if human’s episodic memory, which is the recollection of past events in their thoughts and feelings at that point of time, could be modified by suggestive information. (Wheeler, Stuss and Tulving, 1997). The independent variables were the types of information (3 true and 1 false) given...
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...Dermott, K. B. (1996). Misinformation effects in recall: Creating false memories through repeated retrieval. Journal of Memory and Language, 5(2), 300-318. doi: 10.1006/jmla.1996.0017
Sternberg, R. J. (1999). Cognitive psychology (2nd ed.). Fort Worth, TX: Harcourt Brace College Publishers
Schnitzspahn, K.M., Stahl, C., Zeintl, M., Kaller, C. P., & Kliegel, M. (2013). The role of shifting, updating, and inhibition in prospective memory performance in young and older adults. Developmental Psychology, 49(8), 1544-1553. doi: 10.1037/a0030579
The British Psychological Society. (2011). Memory is not as reliable as we think. Retrieved from http:// http://www.bps.org.uk/news/memory-not-reliable-we-think
Wheeler, M. A., Stuss, D, t., & Tulving, D. (1997). Toward a theory of episodic memory: The frontal lobes and autonoetic consciousness: Psychological Bulletin, 121, 331-354
Roediger III, H. L., & McDermott, K. B. (1995). Creating False Memories: Remembering Words Not Presented in Lists. Journal of Experimental Psychology: Learning Memory and Cogntion, 21, 803-814.
Humans have an incredible capability for thinking and memory. We can remember events from our past, for our future, and of things that have no relative meaning to ourselves. These memories can be traced back to different systems of our brains through a process of encoding, storage, and retrieval. As part of the retrieval process, memories can be remembered with or without their sources. As research has found, our memories are not labeled or tagged with their origin (Johnson, Hashtroudi, & Lindsay 1993). Because of this, our memory has developed a process called source monitoring. This is how we link our memories to the source that they developed from, usually using specific characteristics and general knowledge of the memory. For example, source monitoring includes identifying who told you something, whether or not you saw an event in real life, the time of the event and whether you told something to your friend or only thought about telling it. The source-monitoring framework for the process involved in pinpointing the origin of information by Johnson and colleagues, explains both vertical and distorted memory with a common set of principles. First, a specific memory consists of specific characteristics including spatial, temporal, and perceptual details. Secondly, the memories can differ in characteristics that can be used to find the origin. More extensive source monitoring can involve beliefs about memory and cognition as well as retrieving more information from memory and finding the source of the memory given these beliefs, other specific characteristics or general knowledge (Johnson et al. 1993). Sometimes these beliefs aren't always accurate. Because some people may be influenced by their personal ideologies during retriev...
Steffens, M., & Mecklenbräuker, S. (2007). False memories: Phenomena, theories, and implications. Zeitschrift Für Psychologie/Journal Of Psychology, 215(1), 12-24. doi:10.1027/0044-3409.215.1.12
For cognitive neuroscientists who study memory, it is a commonly accepted fact that human memory is imperfect. People regularly forget, misattribute, or confabulate information that is presented to them. In his seminal review, Daniel Schacter (1999, 2002) notes seven sins of memory. However, the three most relevant to this study are insufficient attention, misattribution, and pre-existing beliefs and biases.
Watson, J. M., Bunting, M. F., Poole, B. J., & Conway, A. R. (2005). Individual differences in susceptibility to false memory in the Deese-Roediger-McDermott paradigm. Journal of Experimental Psychology: Learning, Memory and Cognition, 31(1), 76-85.
Humans are susceptible to memory distortion because of our mind’s natural need to make sense of uncertain events and ideas. When forming any memory, we filter in and out information to make the construction understandable - our memory construction process forces us to ignore contradictory information so we can have a clearer image to rely on. Our minds are easily influenced by external sources, often leaving them victim to manipulation. In “Memories of Things Unseen,” written by Elizabeth Loftus, the author examines the role of suggestion in memory distortion and construction. She presents anecdotes of real life circumstances where manipulation of the memory has played a detrimental role in individuals’ lives. Additionally, she explains the
Human memory is flexible and prone to suggestion. “Human memory, while remarkable in many ways, does not operate like a video camera” (Walker, 2013). In fact, human memory is quite the opposite of a video camera; it can be greatly influenced and even often distorted by interactions with its surroundings (Walker, 2013). Memory is separated into three different phases. The first phase is acquisition, which is when information is first entered into memory or the perception of an event (Samaha, 2011). The next phase is retention. Retention is the process of storing information during the period of time between the event and the recollection of a piece of information from that event (Samaha, 2011). The last stage is retrieval. Retrieval is recalling stored information about an event with the purpose of making an identification of a person in that event (Samaha, 2011).
Similar studies were done to a different set of college students and they tended to have the same results. After giving as much detail about each memory, the students were interviewed about what they may have written done about what they had remembered. During the last part of the experiment, each of the students were debriefed and asked to guess which memory they believed was false.
One of the most interesting phenomenon related to memory is memory distortions. One way in which they occur is through suggestibility, where people begin to remember false experiences if researchers suggested to them that they experienced it (Sternberg and Sternberg, 2012). In real-life situations, this is caused in part by memory being constructive “in that prior experiences affects how we recall things and what we actually recall from memory” (Sternberg and Sternberg, 2012). People’s prior experiences, including their bias and expectations, may influence how they experience false memory formations; the formation of false memories is also affected by several possible factors, one of which may be sleep deprivation (Frenda, Patihis, Loftus,
Roediger, H. L. III, & McDermott, K. B. (1995). Creating false memories: Remembering words not presented in lists. Journal of Experimental Psychology: Learning, Memory, and Cognition, 21, 803-814
Atkinson, R.C. & Shiffrin, R.M. (1968). Human memory: A proposed system and its control process.
Bias can move stealthily into memory without conscious awareness. While there is a general correlation between confidence and accuracy, when misleading information is presented, a witness’s confidence is often higher for the incorrect information than for the accurate information (Engelhardt, 19XX).
Keil, F. C. and Wilson, R. A. (1999) The MIT Encyclopedia of the Cognitive Sciences. Cambridge, Massachusetts & London, England: The MIT Press
The recognition accuracy for old events was calculated as the proportion of performed and imagined events that were correctly recognized as old, regardless of whether they were correctly attributed to having been performed or imagined. (Kelley, 2009). Even with a 1-week delay, the percentage of performed actions or imagined performing in phase 1 that were correctly remembered as old was relatively high 91.1%, and overall false alarm rates were relatively low at 4.7%. (Kelley, 2009). However people remembered that an event happened does not mean they correctly remembered how it happened. (Kelley, 2009). Source accuracy was somewhat impaired, though well above chance with the average performance of 88.8% and did not differ significantly between performed actions (M=88.7%) and imagined actions (M=89.0%). (Kelley, 2009).