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Short-term memory is the capacity for holding a small amount of information in an active, readily available state for a short interval. For example, short-term memory holds a phone number that has just been recited. The duration of short-term memory is estimated to be on the order of seconds. The commonly cited capacity of 7 items, found in Miller's Law, has been superseded by 4±1 items. In contrast, long-term memory holds information indefinitely.
Source amnesia is the inability to remember where, when or how previously learned information has been acquired, while retaining the factual knowledge. This branch of amnesia is associated with the malfunctioning of one's explicit memory. It is likely that the disconnect between having the knowledge and remembering the context in which the knowledge was acquired is due to a dissociation between semantic and episodic memory – an individual retains the semantic knowledge, but lacks the episodic knowledge to indicate the context in which the knowledge was gained.
The interference theory is a theory regarding human memory. Interference occurs in learning. The notion is that memories encoded in long-term memory (LTM) are forgotten and cannot be retrieved into short-term memory (STM) because either memory could interfere with the other. There is an immense number of encoded memories within the storage of LTM. The challenge for memory retrieval is recalling the specific memory and working in the temporary workspace provided in STM. Retaining information regarding the relevant time of encoding memories into LTM influences interference strength. There are two types of interference effects: proactive and retroactive interference.
Semantic memory refers to general world knowledge that humans have accumulated throughout their lives. This general knowledge is intertwined in experience and dependent on culture. New concepts are learned by applying knowledge learned from things in the past.
The picture superiority effect refers to the phenomenon in which pictures and images are more likely to be remembered than are words. This effect has been demonstrated in numerous experiments using different methods. It is based on the notion that "human memory is extremely sensitive to the symbolic modality of presentation of event information". Explanations for the picture superiority effect are not concrete and are still being debated.
The spacing effect demonstrates that learning is more effective when study sessions are spaced out. This effect shows that more information is encoded into long-term memory by spaced study sessions, also known as spaced repetition or spaced presentation, than by massed presentation ("cramming").
Serial-position effect is the tendency of a person to recall the first and last items in a series best, and the middle items worst. The term was coined by Hermann Ebbinghaus through studies he performed on himself, and refers to the finding that recall accuracy varies as a function of an item's position within a study list. When asked to recall a list of items in any order, people tend to begin recall with the end of the list, recalling those items best. Among earlier list items, the first few items are recalled more frequently than the middle items.
In psychology, the Stroop effect is the delay in reaction time between congruent and incongruent stimuli.
The Levels of Processing model, created by Fergus I. M. Craik and Robert S. Lockhart in 1972, describes memory recall of stimuli as a function of the depth of mental processing. Deeper levels of analysis produce more elaborate, longer-lasting, and stronger memory traces than shallow levels of analysis. Depth of processing falls on a shallow to deep continuum. Shallow processing leads to a fragile memory trace that is susceptible to rapid decay. Conversely, deep processing results in a more durable memory trace. There are three levels of processing in this model. Structural processing, or visual, is when we remember only the physical quality of the word E.g how the word is spelled and how letters look. Phonemic processing includes remembering the word by the way it sounds. E.G the word tall rhymes with fall. Lastly, we have semantic processing in which we encode the meaning of the word with another word that is similar of has similar meaning. Once the word is perceived, the brain allows for a deeper processing.
Repetition blindness (RB) is a phenomenon observed in rapid serial visual presentation. People are sometimes poor at recognizing when things happen twice. Repetition blindness is the failure to recognize a second happening of a visual display. The two displays are shown sequentially, possibly with other stimuli displays in between. Each display is only shortly shown, usually for about 150 milliseconds. If stimuli are shown in between, RB can occur in a time interval up to 600 milliseconds. Without other stimuli displayed in between the two repeated stimuli, RB only lasts about 250 milliseconds. Repetition blindness tasks usually are words in lists and in sentences. They are called phonologically similar items. There are also pictures, and words that include pictures. An example of this is a picture of the sun and the word sun. The most popular task used to examine repetition blindness is to show words one after another on a screen fast in which participants must recall the words that they saw. This task is known as the rapid serial visual presentation (RSVP). Repetition blindness is present if missing the second word creates an inaccurate sentence. An example of this is "When she spilled the ink there was ink all over.” An RSVP sequence participants will recall seeing "When she spilled the ink there was all over." However, they are missing the second occurrence of "ink". This finding supports that people are "blind" for the second occurrence of a repetitive item in an RSVP series. For example, a subject's chances of correctly reporting both appearances of the word "cat" in the RSVP stream "dog mouse cat elephant cat snake" are lower than their chances of reporting the third and fifth words in the stream "dog mouse cat elephant pig snake".
Bilingualism, a subset of multilingualism, means having proficiency in two or more languages. A bilingual individual is traditionally defined as someone who understands and produces two or more languages on a regular basis. A bilingual individual's initial exposure to both languages may start in early childhood, e.g. before age 3, but exposure may also begin later in life, in monolingual or bilingual education. Equal proficiency in a bilingual individuals' languages is rarely seen as it typically varies by domain. For example, a bilingual individual may have greater proficiency for work-related terms in one language, and family-related terms in another language.
The lexical decision task (LDT) is a procedure used in many psychology and psycholinguistics experiments. The basic procedure involves measuring how quickly people classify stimuli as words or nonwords.
Tip of the tongue is the phenomenon of failing to retrieve a word or term from memory, combined with partial recall and the feeling that retrieval is imminent. The phenomenon's name comes from the saying, "It's on the tip of my tongue." The tip of the tongue phenomenon reveals that lexical access occurs in stages.
The generation effect is a phenomenon where information is better remembered if it is generated from one's own mind rather than simply read. Researchers have struggled to account for why the generated information is better recalled than read information, but no single explanation has been sufficient.
A verbal fluency test is a kind of psychological test in which a participant is asked to produce as many words as possible from a category in a given time. This category can be semantic, including objects such as animals or fruits, or phonemic, including words beginning with a specified letter, such as p, for example. The semantic fluency test is sometimes described as the category fluency test or simply as "freelisting", while letter fluency is also referred to as phonemic test fluency. The Controlled Oral Word Association Test (COWAT) is the most employed phonemic variant. Although the most common performance measure is the total number of words, other analyses such as number of repetitions, number and length of clusters of words from the same semantic or phonemic subcategory, or number of switches to other categories can be carried out.
Priming is the idea that exposure to one stimulus may influence a response to a subsequent stimulus, without conscious guidance or intention. The priming effect refers to the positive or negative effect of a rapidly presented stimulus on the processing of a second stimulus that appears shortly after. Generally speaking, the generation of priming effect depends on the existence of some positive or negative relationship between priming and target stimuli. For example, the word nurse might be recognized more quickly following the word doctor than following the word bread. Priming can be perceptual, associative, repetitive, positive, negative, affective, semantic, or conceptual. Priming effects involve word recognition, semantic processing, attention, unconscious processing, and many other issues, and are related to differences in various writing systems. Research, however, has yet to firmly establish the duration of priming effects, yet their onset can be almost instantaneous.
Retrieval-induced forgetting (RIF) is a memory phenomenon where remembering causes forgetting of other information in memory. The phenomenon was first demonstrated in 1994, although the concept of RIF has been previously discussed in the context of retrieval inhibition.
Bilingualism is the regular use of two fluent languages, and bilinguals are those individuals who need and use two languages in their everyday lives. A person's bilingual memories are heavily dependent on the person's fluency, the age the second language was acquired, and high language proficiency to both languages. High proficiency provides mental flexibility across all domains of thought and forces them to adopt strategies that accelerate cognitive development. People who are bilingual integrate and organize the information of two languages, which creates advantages in terms of many cognitive abilities, such as intelligence, creativity, analogical reasoning, classification skills, problem solving, learning strategies, and thinking flexibility.
The rhyme-as-reason effect, or Eaton–Rosen phenomenon, is a cognitive bias whereupon a saying or aphorism is judged as more accurate or truthful when it is rewritten to rhyme.
Sex differences in cognition are widely studied in the current scientific literature. Biological and genetic differences in combination with environment and culture have resulted in the cognitive differences among males and females. Among biological factors, hormones such as testosterone and estrogen may play some role mediating these differences. Among differences of diverse mental and cognitive abilities, the largest or most well known are those relating to spatial abilities, social cognition and verbal skills and abilities.
References
- 1 2 Das, J.P. (2014). Verbal Conditioning and Behaviour. Oxford: Pergamon Press, Ltd. p. 92. ISBN 9781483156538.
- ↑ Jakobovits, Leon. A. (April 1962). Effects of Repeated Stimulation on Cognitive Aspects of Behavior: Some Experiments on the Phenomenon of Semantic Satiation (PhD). McGill University . Retrieved 2018-08-13.
- ↑ Pilotti, M.; Antrobus, J.S.; Duff, M. (1997). "The effect of presemantic acoustic adaptation on semantic "satiation"". Memory & Cognition. 25 (3): 305–312. doi: 10.3758/BF03211286 . PMID 9184482.
- ↑ Shohov, Serge (2003). Advances in Psychology Research, Volume 26. New York: Nova Science Publishers, Inc. p. 69. ISBN 978-1590337981.
- ↑ Jakobovits, Leon (1966). "Semantic Satiation and Cognitive Dynamics" (PDF). U.S. Department of Education. Retrieved October 19, 2018.
- ↑ Leon James (formerly Leon A. Jakobovits) University of Illinois. "Semantic Satiation and Cognitive Dynamics".
- ↑ Tian, Xing; Huber, David E. (June 2010). "Testing an associative account of semantic satiation". Cognitive Psychology. 60 (4): 267–290. doi:10.1016/j.cogpsych.2010.01.003. ISSN 0010-0285. PMC 2882703 . PMID 20156620.
- ↑ Fishman, Joshua (2014). Advances in the Study of Societal Multilingualism. The Hague: Mouton Publishers. p. 55. ISBN 9783111684376.
