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Anterograde Amnesia

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Declarative (explicit) memory is the memory of facts/events that can be consciously recalled. When it comes to these memories, the hippocampus is critical for memory formation. Additionally, the hippocampus plays a vital role in short-term memory which is necessary for long-term memory to be established.

On the other hand, non-declarative (implicit) memory is the memory of skills and how to do things. One case that shows we know that the hippocampus is not necessary to form new non-declarative (implicit) memory is Henry Molaison who appeared to have anterograde amnesia. Anterograde amnesia is when patients can remember new non-declarative (implicit) memories, but have a shortfall when forming new declarative (explicit) memories. Further,
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This is a very interesting question. For me, I think I would rather have psychogenic retrograde amnesia than DID. First of all, patient with psychogenic retrograde amnesia usually are able to recover their memories within a month. Also, I think I would still be able to function normally and have control to my life if I have psychogenic retrograde amnesia than DID. I think it is more important to create new memories than to hold on to old ones or even worst, not able to control my life.

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Leonard suffers from anterograde amnesia. Anterograde amnesia is a type of severe memory impairment that does not give the ability to form new memories, beginning with the onset of a disorder (Kalat, 1998). Anterograde amnesia is a result of brain damage to the hippocampus. In the film Leonard and Sammy have damage to their hippocampus, a part of the brain that is heavily involved in learning and memory (Kalat, 1998). The hippocampus is where new information must pass before being permanently stored in memory.

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There is Declarative or Sematic Memory is the things that you know without a doubt and can describe it and use facts and talk about it for as long as you need. For example, I could tell you everything you need to know about how to make an

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The brain is a fragile organ, with decay to the brain can lead to decay in memory. Alzheimer’s is form of dementia, and causes difficulty in learning and retaining new information in the brain. This is caused by loss of cells in the cell connections of the brain. Anterograde amnesia is the inability to create new memories, although memories before the amnesia are still intact. This is caused by damage to the hippocampus or the temporal lobe of the brain.

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There are several types of memory. They include explicit, episodic, semantic, implicit, and procedural memory. Explicit memory is one of the two main divisions of long-term memory. It consists of all information that requires consciously remembered. An example of explicit memory is remembering what was done in class the day before or a sibling being born.

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Each person's memories are unique to each individual. There are specific regions in the brain that hold memories: the hippocampus, the neocortex, and the amygdala. These areas of the brain are responsible for the storage and retrieval of memory. Many psychologists used the terms “hardware” and “software” to describe the brain's memory system. Long-term memory includes memories of personal life events, facts, and information.

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Moreover, “a behavioural syndrome results showing not only semantic-memory impairment but also particular difficulty remembering past events as personal happenings” (Tulving, 1989). Lastly, in Endel Tulving’s conclusion to his article he states “traditionally held views about the unity of memory are no longer tenable. A more appropriate view seems to be that of multiple memory systems. Remembering one’s past is a different, perhaps more advanced, achievement of the brain than simply knowing about it” ( Tulving,

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This concept, that when people who have anterograde amnesia are surrounded by people they love they are able to remember better, is something that psychologist have been looking into in more recent years and found

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In this essay I am going to look at Psychogenic Amnesia (PA) and Organic Amnesia (OA),

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Yet now in chapter fourteen we are informed that there is another form of amnesia called dissociative amnesia and that “dissociative amnesia is a kid of memory loss that is psychologically caused” (Lahey, 2012). I am understandably confused is amnesia now a biological or psychological, or is it primarily biological with dissociative being only temporarily and specially applied to cause for dissociative amnesia only after a sever period of intense

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This is what other researchers have thought of too, and therefore a conclusion was made that additional processes have been taking place as well. Another strength is that there is neuropsychological evidence for this model as a patient, HM (Milner, 1966) underwent surgery which impaired his hippocampus and in turn affected his long-term memory as it no longer functioned properly, whereas his short-term memory was rather functional. Due to this we can conclude that these two processes are involved in the process of memory, as one of the stores was affected when the brain was damaged but the other was not (Baddeley, 2009).

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It is very hard for people who have had an injury to forget how to do nondeclarative habits or procedures. Declarative memory, on the other hand,

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The biological approach to the basis of memory is explained in terms of underlying biological factors such as the activity of the nervous system, genetic factors, biochemical and neurochemicals. In general terms memory is our ability to encode, store, retain and recall information and past experiences afterwards in the human brain. In biological terms, memory is the recreation of past experiences by simultaneous activation or firing of neurons. Some of the major biopsychological research questions on memory are what are the biological substrates of memory, where are memories stored in the brain, how are memories assessed during recall and what is the mechanism of forgetting. The two main reasons that gave rise to the interest in biological basis of memory are that researchers became aware of the fact that many memory deficits arise from injuries to the brain.

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One famous case of amnesia supporting Squire's view is patient H.M. (Scoville & Milner, 1957), who had parts of his left and right temporal lobe, hippocampus, amygdala and surrounding areas of both removed. He developed severe anterograde amnesia, the inability to learn new information, resulting in an almost completely absent short-term memory storage. He also had moderate retrograde amnesia, unable to remember information between 3 to 11 years prior to his surgery, but with other long-term memories unaffected. Explaining this, Squire argued that memories are consolidated in the hippocampus, easily disrupted by trauma during this. They become less dependent on the hippocampus with time, eventually being stored in the neocortex (Alvarez &

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It involves conscious effort to recall and can be either be episodic or semantic. The other is procedural memory. It is usually the natural response to the surroundings, such as how to ride a bicycle or play the instrument. This type of long term memory can be remembered without consciously think about it.

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