FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W1736114791> ?p ?o ?g. }

• W1736114791 abstract "Negative Subsequent Memory Effect in ERP: Modeling and Data Sverker Sikstrom (sverker.sikstrom@lucs.lu.se) Petter Kallioinen (petter.kallioinen@lucs.lu.se) Lund University Cognitive Science (LUCS), Kungshuset, Lundagard Lund, 222 22, Sweden First, a brief review of synaptic depression and cell differentiation is provided. Then the DD model is presented along with the predictions. Finally, the model is tested in a list learning experiment with of high and low frequency words where ERPs are measured during study. Abstract The subsequent memory effect (SME) is the ubiquitous phenomena that stimulus that are later retrieved show a more negative going ERP wave than stimulus that are not retrieved. Two basic findings in neurophysiology are that cells respond weaker to repeated stimulation (e.g. synaptic depression) and that the response differentiates during familiarization. This paper presents a computational theory of SME based on synaptic depression and cell differentiation. SME occurs because synaptic depression is stronger for stimuli with larger cell differentiation and these stimuli are also easier to retrieve. The model also predicts a negative subsequent memory effect (NSME) so that a stimulus that are not preceded with other stimuli are recovered from synaptic depression, better recalled, and have a more positive ERP. The model is tested on ERP data collected during study of short lists followed by free recall. Synaptic Depression and Cell Differentiation Synaptic depression is the strongest form of short-term plasticity (Nelson, Varela, Sen and Abbott, 1997). The underlying mechanism of synaptic depression is not fully understood. However, one mechanism is believed to be presynaptic depletion of transmitter substances, which is stored in the release-ready pool of vesicles. With this depletion, pre-synaptic action potentials have reduced efficiency on the post-synaptic activity. Synaptic depression depends on activity so that higher levels of recent pre-synaptic activity tend to the decrease the efficiency of transmission. Synaptic depression can be simulated by a simple depletion model. This model assumes that a portion of the available resources needed for transmitting a signal are consumed with each neural spike (Tsodyks and Markram, 1997). Cell differentiation is the empirical phenomena that the neural representation becomes increasingly distinct, and that the overall activity decreases, as a stimulus material is familiarized (Miller and Desimone, 1994; Desimone, 1996). This phenomenon has been studied using single cells recordings in the temporal and frontal lobes of monkeys performing the delayed match to sample task. In this paradigm the monkey is first presented to a matching stimulus, followed by a sequence of sample stimuli. The monkey is rewarded for pressing a lever when the sample stimulus matches the matched stimulus. For example, Rainer and Miller (2000) used either novel or familiarized pictures and found that approximately 56% of the cells showed increased activity compared to baseline for novel stimulus whereas the corresponding percentage for familiarized stimulus were 24%. Cells with decreased activity following familiarization are here called suppressed cells; whereas cells with maintained or increased activity are called static cells. Keywords: ERP, model, cell, depression, differentiation, LTP/LTD, negative subsequent memory. Introduction Subsequently remembered stimuli evoke more positive going ERPs during study than stimuli that are not remembered (Sanquist, Rohrbaugh, Syndulko and Lindley, 1980; Johnson, 1995; Rugg, 1995). This effect is called the difference due to memory (DM) effect or the subsequent memory effect (SME, Paller, Kutas and Mayes, 1987). SME has been found with different stimulus material and with different test procedures (e.g., Sanquist et al., 1980; Besson and Kutas, 1993; Fabiani and Donchin, 1995). Topographically, two classes of SME have been found, one with centroparietal and one with frontal maxima. Frontal subsequent memory effect are associated with elaborative encoding strategies, particular right frontal effects may be related to associative processes (Karis, Fabiani and Donchin, 1984; Fabiani, Karis and Donchin, 1990), whereas centroparietal subsequent memory effects are associated with rote encoding (Fabiani et al., 1995). This paper proposes a neurophysiologically based model to account for the subsequent memory effect. This model is based on the empirical finding of synaptic depression and cell differentiation and it is therefore called the differential depression (DD) model. It also predicts that for certain experimental conditions a more negative ERP may also be associated with successful subsequent memory. The primacy effect The primacy effect is the empirical phenomena that the first few items in a list are better recalled than items in the middle of the list (Murdock, 1960). The primacy effect is often accounted for by rehearsal in short-term" @default.
• W1736114791 created "2016-06-24" @default.
• W1736114791 creator A5005160708 @default.
• W1736114791 creator A5025375865 @default.
• W1736114791 date "2005-01-01" @default.
• W1736114791 modified "2023-09-28" @default.
• W1736114791 title "Negative Subsequent Memory Effect in ERP: Modeling and Data." @default.
• W1736114791 cites W1465406551 @default.
• W1736114791 cites W1493389859 @default.
• W1736114791 cites W1898014694 @default.
• W1736114791 cites W1997070105 @default.
• W1736114791 cites W1997144011 @default.
• W1736114791 cites W2003398613 @default.
• W1736114791 cites W2014791165 @default.
• W1736114791 cites W2028310026 @default.
• W1736114791 cites W2031543773 @default.
• W1736114791 cites W2053719949 @default.
• W1736114791 cites W2062647770 @default.
• W1736114791 cites W2067055262 @default.
• W1736114791 cites W2072610013 @default.
• W1736114791 cites W2077442692 @default.
• W1736114791 cites W2081256153 @default.
• W1736114791 cites W2113934946 @default.
• W1736114791 cites W2128495200 @default.
• W1736114791 cites W2141998004 @default.
• W1736114791 cites W2142994295 @default.
• W1736114791 cites W2156689147 @default.
• W1736114791 cites W2166291087 @default.
• W1736114791 cites W2171248440 @default.
• W1736114791 cites W2179984243 @default.
• W1736114791 cites W2460304976 @default.
• W1736114791 cites W2492997698 @default.
• W1736114791 cites W2740793970 @default.
• W1736114791 cites W2911607583 @default.
• W1736114791 cites W2936428940 @default.
• W1736114791 cites W610352186 @default.
• W1736114791 hasPublicationYear "2005" @default.
• W1736114791 type Work @default.
• W1736114791 sameAs 1736114791 @default.
• W1736114791 citedByCount "0" @default.
• W1736114791 crossrefType "proceedings-article" @default.
• W1736114791 hasAuthorship W1736114791A5005160708 @default.
• W1736114791 hasAuthorship W1736114791A5025375865 @default.
• W1736114791 hasConcept C100660578 @default.
• W1736114791 hasConcept C152478114 @default.
• W1736114791 hasConcept C15744967 @default.
• W1736114791 hasConcept C169760540 @default.
• W1736114791 hasConcept C169900460 @default.
• W1736114791 hasConcept C170493617 @default.
• W1736114791 hasConcept C180747234 @default.
• W1736114791 hasConcept C2779918689 @default.
• W1736114791 hasConcept C55493867 @default.
• W1736114791 hasConcept C86803240 @default.
• W1736114791 hasConcept C98229152 @default.
• W1736114791 hasConceptScore W1736114791C100660578 @default.
• W1736114791 hasConceptScore W1736114791C152478114 @default.
• W1736114791 hasConceptScore W1736114791C15744967 @default.
• W1736114791 hasConceptScore W1736114791C169760540 @default.
• W1736114791 hasConceptScore W1736114791C169900460 @default.
• W1736114791 hasConceptScore W1736114791C170493617 @default.
• W1736114791 hasConceptScore W1736114791C180747234 @default.
• W1736114791 hasConceptScore W1736114791C2779918689 @default.
• W1736114791 hasConceptScore W1736114791C55493867 @default.
• W1736114791 hasConceptScore W1736114791C86803240 @default.
• W1736114791 hasConceptScore W1736114791C98229152 @default.
• W1736114791 hasIssue "27" @default.
• W1736114791 hasLocation W17361147911 @default.
• W1736114791 hasOpenAccess W1736114791 @default.
• W1736114791 hasPrimaryLocation W17361147911 @default.
• W1736114791 hasRelatedWork W1972530881 @default.
• W1736114791 hasRelatedWork W1988589362 @default.
• W1736114791 hasRelatedWork W2009522543 @default.
• W1736114791 hasRelatedWork W2017515691 @default.
• W1736114791 hasRelatedWork W2027221327 @default.
• W1736114791 hasRelatedWork W2064881277 @default.
• W1736114791 hasRelatedWork W2118049591 @default.
• W1736114791 hasRelatedWork W2553336392 @default.
• W1736114791 hasRelatedWork W2883806045 @default.
• W1736114791 hasRelatedWork W2953031389 @default.
• W1736114791 hasRelatedWork W2972427421 @default.
• W1736114791 hasRelatedWork W2999610396 @default.
• W1736114791 hasRelatedWork W3005840194 @default.
• W1736114791 hasRelatedWork W3045540158 @default.
• W1736114791 hasRelatedWork W3091555444 @default.
• W1736114791 hasRelatedWork W3177640945 @default.
• W1736114791 hasRelatedWork W3181090923 @default.
• W1736114791 hasRelatedWork W3202187539 @default.
• W1736114791 hasRelatedWork W3202841162 @default.
• W1736114791 hasRelatedWork W3203189111 @default.
• W1736114791 hasVolume "27" @default.
• W1736114791 isParatext "false" @default.
• W1736114791 isRetracted "false" @default.
• W1736114791 magId "1736114791" @default.
• W1736114791 workType "article" @default.