Episodic Memory and Impairment of an Early Encoding Process in Schizophrenia
Investigations of memory impairment in schizophrenia have frequently revealed a strategic processing deficit at encoding. The authors studied an early encoding process, refreshing (in this case, thinking of a stimulus that has just-previously been presented), and its impact on recognition memory in...
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| Veröffentlicht in: | Neuropsychology 2010-01, Vol.24 (1), p.101-108 |
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| creator | Grillon, Marie-Laure Krebs, Marie-Odile Gourevitch, Raphaël Giersch, Anne Huron, Caroline |
| description | Investigations of memory impairment in schizophrenia have frequently revealed a strategic processing deficit at encoding. The authors studied an early encoding process, refreshing (in this case, thinking of a stimulus that has just-previously been presented), and its impact on recognition memory in schizophrenia. Following simultaneous presentation of three words or a single word in the top, middle, or bottom position of the screen, 25 patients with schizophrenia and 25 control participants saw and read a new word (read condition), or a word presented on the previous screen (repeat condition), or saw a dot indicating that they should think of and say the last word to have appeared in that position (refresh condition). Later, on a surprise test, participants were asked to recognize words seen previously and give a Remember, Know, or Guess response according to whether they recognized each on the basis of conscious recollection, familiarity, or guessing. The cognitive operation of refreshing was impaired in schizophrenia: patients were slower on 1-word trials and less accurate on 3-word trials to refresh a word, and their Remember responses did not benefit from refreshing. |
| doi_str_mv | 10.1037/a0015544 |
| format | Article |
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The authors studied an early encoding process, refreshing (in this case, thinking of a stimulus that has just-previously been presented), and its impact on recognition memory in schizophrenia. Following simultaneous presentation of three words or a single word in the top, middle, or bottom position of the screen, 25 patients with schizophrenia and 25 control participants saw and read a new word (read condition), or a word presented on the previous screen (repeat condition), or saw a dot indicating that they should think of and say the last word to have appeared in that position (refresh condition). Later, on a surprise test, participants were asked to recognize words seen previously and give a Remember, Know, or Guess response according to whether they recognized each on the basis of conscious recollection, familiarity, or guessing. The cognitive operation of refreshing was impaired in schizophrenia: patients were slower on 1-word trials and less accurate on 3-word trials to refresh a word, and their Remember responses did not benefit from refreshing.</description><identifier>ISSN: 0894-4105</identifier><identifier>EISSN: 1931-1559</identifier><identifier>DOI: 10.1037/a0015544</identifier><identifier>PMID: 20063951</identifier><language>eng</language><publisher>Washington, DC: American Psychological Association</publisher><subject>Adult ; Adult and adolescent clinical studies ; Analysis of Variance ; Biological and medical sciences ; Cognition Disorders - etiology ; Cognitive Impairment ; Episodic Memory ; Female ; Human ; Human Information Storage ; Humans ; Inpatient ; Male ; Medical sciences ; Memory Disorders - etiology ; Neuropsychological Tests ; Outpatient ; Psychiatric Status Rating Scales ; Psychology. Psychoanalysis. Psychiatry ; Psychopathology. 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The authors studied an early encoding process, refreshing (in this case, thinking of a stimulus that has just-previously been presented), and its impact on recognition memory in schizophrenia. Following simultaneous presentation of three words or a single word in the top, middle, or bottom position of the screen, 25 patients with schizophrenia and 25 control participants saw and read a new word (read condition), or a word presented on the previous screen (repeat condition), or saw a dot indicating that they should think of and say the last word to have appeared in that position (refresh condition). Later, on a surprise test, participants were asked to recognize words seen previously and give a Remember, Know, or Guess response according to whether they recognized each on the basis of conscious recollection, familiarity, or guessing. The cognitive operation of refreshing was impaired in schizophrenia: patients were slower on 1-word trials and less accurate on 3-word trials to refresh a word, and their Remember responses did not benefit from refreshing.</description><subject>Adult</subject><subject>Adult and adolescent clinical studies</subject><subject>Analysis of Variance</subject><subject>Biological and medical sciences</subject><subject>Cognition Disorders - etiology</subject><subject>Cognitive Impairment</subject><subject>Episodic Memory</subject><subject>Female</subject><subject>Human</subject><subject>Human Information Storage</subject><subject>Humans</subject><subject>Inpatient</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Memory Disorders - etiology</subject><subject>Neuropsychological Tests</subject><subject>Outpatient</subject><subject>Psychiatric Status Rating Scales</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychopathology. Psychiatry</subject><subject>Psychoses</subject><subject>Reaction Time - physiology</subject><subject>Reading</subject><subject>Recognition (Psychology) - physiology</subject><subject>Retention</subject><subject>Schizophrenia</subject><subject>Schizophrenia - complications</subject><subject>Schizophrenic Psychology</subject><subject>Verbal Learning - physiology</subject><subject>Words (Phonetic Units)</subject><subject>Young Adult</subject><issn>0894-4105</issn><issn>1931-1559</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpd0NGK1DAUBuAgiju7Cj6BBFH0pnrSNGl7uSyzujCioF6H0_TEzdImNZlejE9vdGYVvAo5fPw5-Rl7JuCtANm-QwChVNM8YBvRS1GVS_-QbaDrm6oRoM7Yec53AGWg1WN2VgNo2SuxYbvt4nMcveUfaY7pwDGM_GZe0KeZwp5HVyZ8i2k68G2wRYbv_HOKlnLmPvAv9tb_jMttouDxCXvkcMr09HResG_X269XH6rdp_c3V5e7CqXu9pVUVmBXD6NQw9DDAG3rtKNBNc41zWB1T1q4jkjWGlqJNA7kQI9t2XkUFuUFe33MXVL8sVLem9lnS9OEgeKaTStlC7LrocgX_8m7uKZQljNaNAo6qLuC3hyRTTHnRM4syc-YDkaA-d2vue-30OenvHWYafwL7wst4NUJYLY4uYTB-vzP1bJ86k_Qy6PDBc2SDxbT3tuJsgm0mroxorws5C8_NY1m</recordid><startdate>201001</startdate><enddate>201001</enddate><creator>Grillon, Marie-Laure</creator><creator>Krebs, Marie-Odile</creator><creator>Gourevitch, Raphaël</creator><creator>Giersch, Anne</creator><creator>Huron, Caroline</creator><general>American Psychological Association</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7RZ</scope><scope>PSYQQ</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-8577-6021</orcidid></search><sort><creationdate>201001</creationdate><title>Episodic Memory and Impairment of an Early Encoding Process in Schizophrenia</title><author>Grillon, Marie-Laure ; Krebs, Marie-Odile ; Gourevitch, Raphaël ; Giersch, Anne ; Huron, Caroline</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a368t-35c1a82bd15bb90b077f6feb54ff44bc69e61f8ee326073aedbef06d7639d1ca3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Adult</topic><topic>Adult and adolescent clinical studies</topic><topic>Analysis of Variance</topic><topic>Biological and medical sciences</topic><topic>Cognition Disorders - etiology</topic><topic>Cognitive Impairment</topic><topic>Episodic Memory</topic><topic>Female</topic><topic>Human</topic><topic>Human Information Storage</topic><topic>Humans</topic><topic>Inpatient</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Memory Disorders - etiology</topic><topic>Neuropsychological Tests</topic><topic>Outpatient</topic><topic>Psychiatric Status Rating Scales</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychopathology. 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The authors studied an early encoding process, refreshing (in this case, thinking of a stimulus that has just-previously been presented), and its impact on recognition memory in schizophrenia. Following simultaneous presentation of three words or a single word in the top, middle, or bottom position of the screen, 25 patients with schizophrenia and 25 control participants saw and read a new word (read condition), or a word presented on the previous screen (repeat condition), or saw a dot indicating that they should think of and say the last word to have appeared in that position (refresh condition). Later, on a surprise test, participants were asked to recognize words seen previously and give a Remember, Know, or Guess response according to whether they recognized each on the basis of conscious recollection, familiarity, or guessing. 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| subjects | Adult Adult and adolescent clinical studies Analysis of Variance Biological and medical sciences Cognition Disorders - etiology Cognitive Impairment Episodic Memory Female Human Human Information Storage Humans Inpatient Male Medical sciences Memory Disorders - etiology Neuropsychological Tests Outpatient Psychiatric Status Rating Scales Psychology. Psychoanalysis. Psychiatry Psychopathology. Psychiatry Psychoses Reaction Time - physiology Reading Recognition (Psychology) - physiology Retention Schizophrenia Schizophrenia - complications Schizophrenic Psychology Verbal Learning - physiology Words (Phonetic Units) Young Adult |
| title | Episodic Memory and Impairment of an Early Encoding Process in Schizophrenia |
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