Theta and alpha oscillations reflect differences in memory strategy and visual discrimination performance in patients with Parkinson's disease
The aim of the present study was to investigate alterations in brain oscillatory activity during transient intentional encoding of abstract novel shapes in patients with Parkinson's disease (PD). Combined time–frequency analyses of alpha and theta power revealed a clear dissociation between PD...
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| Veröffentlicht in: | Neuroscience letters 2005-11, Vol.388 (3), p.138-143 |
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| creator | Schmiedt, Christina Meistrowitz, Anette Schwendemann, Günter Herrmann, Manfred Basar-Eroglu, Canan |
| description | The aim of the present study was to investigate alterations in brain oscillatory activity during transient intentional encoding of abstract novel shapes in patients with Parkinson's disease (PD). Combined time–frequency analyses of alpha and theta power revealed a clear dissociation between PD patients (
N
=
10) and age-matched healthy controls (
N
=
10). PD patients used sub-optimal stimulus encoding strategies for subsequent maintenance and recall, whereas the controls mainly used categorization processes. In contrast to controls, PD patients showed significantly less theta increase and upper alpha suppression at frontal locations and significant laterality of early posterior theta and lower-2 alpha oscillations at right posterior locations. These findings suggest that the fronto-striatal circuits participate in visual categorization processes. Furthermore, theta and alpha oscillations appear to be involved in mediating the integration processes in mnemonic networks underlying visual categorization. |
| doi_str_mv | 10.1016/j.neulet.2005.06.049 |
| format | Article |
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N
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10) and age-matched healthy controls (
N
=
10). PD patients used sub-optimal stimulus encoding strategies for subsequent maintenance and recall, whereas the controls mainly used categorization processes. In contrast to controls, PD patients showed significantly less theta increase and upper alpha suppression at frontal locations and significant laterality of early posterior theta and lower-2 alpha oscillations at right posterior locations. These findings suggest that the fronto-striatal circuits participate in visual categorization processes. Furthermore, theta and alpha oscillations appear to be involved in mediating the integration processes in mnemonic networks underlying visual categorization.</description><identifier>ISSN: 0304-3940</identifier><identifier>EISSN: 1872-7972</identifier><identifier>DOI: 10.1016/j.neulet.2005.06.049</identifier><identifier>PMID: 16040192</identifier><identifier>CODEN: NELED5</identifier><language>eng</language><publisher>Shannon: Elsevier Ireland Ltd</publisher><subject>Aged ; Alpha Rhythm ; Biological and medical sciences ; Biological Clocks ; Corpus Striatum - physiopathology ; Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases ; Female ; Frontal Lobe - physiopathology ; Functional Laterality - physiology ; Humans ; Male ; Medical sciences ; Memory - physiology ; Memory Disorders - complications ; Memory Disorders - diagnosis ; Memory Disorders - physiopathology ; Middle Aged ; Neural Pathways - physiopathology ; Neurology ; Parkinson Disease - complications ; Parkinson Disease - physiopathology ; Pattern Recognition, Visual - physiology ; Perceptual Distortion - physiology ; Photic Stimulation ; Theta Rhythm ; Visual Cortex - physiopathology</subject><ispartof>Neuroscience letters, 2005-11, Vol.388 (3), p.138-143</ispartof><rights>2005 Elsevier Ireland Ltd</rights><rights>2005 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c475t-e4dc593b36ffc996a9173758aa399a06140a0f3a2cfc8e025350355337600e6e3</citedby><cites>FETCH-LOGICAL-c475t-e4dc593b36ffc996a9173758aa399a06140a0f3a2cfc8e025350355337600e6e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304394005007433$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17075881$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16040192$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Schmiedt, Christina</creatorcontrib><creatorcontrib>Meistrowitz, Anette</creatorcontrib><creatorcontrib>Schwendemann, Günter</creatorcontrib><creatorcontrib>Herrmann, Manfred</creatorcontrib><creatorcontrib>Basar-Eroglu, Canan</creatorcontrib><title>Theta and alpha oscillations reflect differences in memory strategy and visual discrimination performance in patients with Parkinson's disease</title><title>Neuroscience letters</title><addtitle>Neurosci Lett</addtitle><description>The aim of the present study was to investigate alterations in brain oscillatory activity during transient intentional encoding of abstract novel shapes in patients with Parkinson's disease (PD). Combined time–frequency analyses of alpha and theta power revealed a clear dissociation between PD patients (
N
=
10) and age-matched healthy controls (
N
=
10). PD patients used sub-optimal stimulus encoding strategies for subsequent maintenance and recall, whereas the controls mainly used categorization processes. In contrast to controls, PD patients showed significantly less theta increase and upper alpha suppression at frontal locations and significant laterality of early posterior theta and lower-2 alpha oscillations at right posterior locations. These findings suggest that the fronto-striatal circuits participate in visual categorization processes. Furthermore, theta and alpha oscillations appear to be involved in mediating the integration processes in mnemonic networks underlying visual categorization.</description><subject>Aged</subject><subject>Alpha Rhythm</subject><subject>Biological and medical sciences</subject><subject>Biological Clocks</subject><subject>Corpus Striatum - physiopathology</subject><subject>Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases</subject><subject>Female</subject><subject>Frontal Lobe - physiopathology</subject><subject>Functional Laterality - physiology</subject><subject>Humans</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Memory - physiology</subject><subject>Memory Disorders - complications</subject><subject>Memory Disorders - diagnosis</subject><subject>Memory Disorders - physiopathology</subject><subject>Middle Aged</subject><subject>Neural Pathways - physiopathology</subject><subject>Neurology</subject><subject>Parkinson Disease - complications</subject><subject>Parkinson Disease - physiopathology</subject><subject>Pattern Recognition, Visual - physiology</subject><subject>Perceptual Distortion - physiology</subject><subject>Photic Stimulation</subject><subject>Theta Rhythm</subject><subject>Visual Cortex - physiopathology</subject><issn>0304-3940</issn><issn>1872-7972</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkctu1DAUhi0EotPCGyDkDXSV4Ti-JN4gVRU3qRIsytpynWPGQ-IEOymal-CZcTojdQcrS9b3H53zf4S8YrBlwNS7_Tbi0uO8rQHkFtQWhH5CNqxt6qrRTf2UbICDqLgWcEbOc95DAZkUz8kZUyCA6XpD_tzucLbUxo7aftpZOmYX-t7OYYyZJvQ9upl2wXtMGB1mGiIdcBjTgeY52Rl_HB7S9yEvti9kdikMIT5MoBMmP6bBluQanMovxjnT32He0W82_Qwxj_Eyrzm0GV-QZ972GV-e3gvy_eOH2-vP1c3XT1-ur24qJxo5Vyg6JzW_48p7p7WymjW8ka21XGsLigmw4LmtnXctQi25BC4l540CQIX8grw9zp3S-GvBPJuhLI7l8Ijjko1qC8yg_i_ItOCt1E0BxRF0acy5FGem0oNNB8PArMLM3hyFmVWYAWWKsBJ7fZq_3A3YPYZOhgrw5gTY7GzvU-ky5EeugXJ3ywr3_shhqe0-YDJF5GqsC6koNN0Y_r3JX8OPuJA</recordid><startdate>20051118</startdate><enddate>20051118</enddate><creator>Schmiedt, Christina</creator><creator>Meistrowitz, Anette</creator><creator>Schwendemann, Günter</creator><creator>Herrmann, Manfred</creator><creator>Basar-Eroglu, Canan</creator><general>Elsevier Ireland Ltd</general><general>Elsevier</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>7TK</scope><scope>7X8</scope></search><sort><creationdate>20051118</creationdate><title>Theta and alpha oscillations reflect differences in memory strategy and visual discrimination performance in patients with Parkinson's disease</title><author>Schmiedt, Christina ; Meistrowitz, Anette ; Schwendemann, Günter ; Herrmann, Manfred ; Basar-Eroglu, Canan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c475t-e4dc593b36ffc996a9173758aa399a06140a0f3a2cfc8e025350355337600e6e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Aged</topic><topic>Alpha Rhythm</topic><topic>Biological and medical sciences</topic><topic>Biological Clocks</topic><topic>Corpus Striatum - physiopathology</topic><topic>Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases</topic><topic>Female</topic><topic>Frontal Lobe - physiopathology</topic><topic>Functional Laterality - physiology</topic><topic>Humans</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Memory - physiology</topic><topic>Memory Disorders - complications</topic><topic>Memory Disorders - diagnosis</topic><topic>Memory Disorders - physiopathology</topic><topic>Middle Aged</topic><topic>Neural Pathways - physiopathology</topic><topic>Neurology</topic><topic>Parkinson Disease - complications</topic><topic>Parkinson Disease - physiopathology</topic><topic>Pattern Recognition, Visual - physiology</topic><topic>Perceptual Distortion - physiology</topic><topic>Photic Stimulation</topic><topic>Theta Rhythm</topic><topic>Visual Cortex - physiopathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Schmiedt, Christina</creatorcontrib><creatorcontrib>Meistrowitz, Anette</creatorcontrib><creatorcontrib>Schwendemann, Günter</creatorcontrib><creatorcontrib>Herrmann, Manfred</creatorcontrib><creatorcontrib>Basar-Eroglu, Canan</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Neuroscience letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Schmiedt, Christina</au><au>Meistrowitz, Anette</au><au>Schwendemann, Günter</au><au>Herrmann, Manfred</au><au>Basar-Eroglu, Canan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Theta and alpha oscillations reflect differences in memory strategy and visual discrimination performance in patients with Parkinson's disease</atitle><jtitle>Neuroscience letters</jtitle><addtitle>Neurosci Lett</addtitle><date>2005-11-18</date><risdate>2005</risdate><volume>388</volume><issue>3</issue><spage>138</spage><epage>143</epage><pages>138-143</pages><issn>0304-3940</issn><eissn>1872-7972</eissn><coden>NELED5</coden><abstract>The aim of the present study was to investigate alterations in brain oscillatory activity during transient intentional encoding of abstract novel shapes in patients with Parkinson's disease (PD). Combined time–frequency analyses of alpha and theta power revealed a clear dissociation between PD patients (
N
=
10) and age-matched healthy controls (
N
=
10). PD patients used sub-optimal stimulus encoding strategies for subsequent maintenance and recall, whereas the controls mainly used categorization processes. In contrast to controls, PD patients showed significantly less theta increase and upper alpha suppression at frontal locations and significant laterality of early posterior theta and lower-2 alpha oscillations at right posterior locations. These findings suggest that the fronto-striatal circuits participate in visual categorization processes. Furthermore, theta and alpha oscillations appear to be involved in mediating the integration processes in mnemonic networks underlying visual categorization.</abstract><cop>Shannon</cop><pub>Elsevier Ireland Ltd</pub><pmid>16040192</pmid><doi>10.1016/j.neulet.2005.06.049</doi><tpages>6</tpages></addata></record> |
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| ispartof | Neuroscience letters, 2005-11, Vol.388 (3), p.138-143 |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Aged Alpha Rhythm Biological and medical sciences Biological Clocks Corpus Striatum - physiopathology Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases Female Frontal Lobe - physiopathology Functional Laterality - physiology Humans Male Medical sciences Memory - physiology Memory Disorders - complications Memory Disorders - diagnosis Memory Disorders - physiopathology Middle Aged Neural Pathways - physiopathology Neurology Parkinson Disease - complications Parkinson Disease - physiopathology Pattern Recognition, Visual - physiology Perceptual Distortion - physiology Photic Stimulation Theta Rhythm Visual Cortex - physiopathology |
| title | Theta and alpha oscillations reflect differences in memory strategy and visual discrimination performance in patients with Parkinson's disease |
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