{"id":"https://openalex.org/W2000206334","doi":"https://doi.org/10.1002/mds.10041","title":"Clinical, neuropsychological, and morphometric correlates of apathy in Parkinson's disease","display_name":"Clinical, neuropsychological, and morphometric correlates of apathy in Parkinson's disease","publication_year":2002,"publication_date":"2002-02-01","ids":{"openalex":"https://openalex.org/W2000206334","doi":"https://doi.org/10.1002/mds.10041","mag":"2000206334","pmid":"https://pubmed.ncbi.nlm.nih.gov/11921125"},"language":"en","primary_location":{"id":"doi:10.1002/mds.10041","doi":"https://doi.org/10.1002/mds.10041","is_oa":false,"landing_page_url":"https://doi.org/10.1002/mds.10041","pdf_url":null,"source":{"id":"https://openalex.org/S163027424","display_name":"Movement Disorders","issn_l":"0885-3185","issn":["0885-3185","1531-8257"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-3","ki-jl-2","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Movement Disorders","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5046664045","display_name":"Valeria Isella","orcid":"https://orcid.org/0000-0003-1850-1236","observed_orcids":["https://orcid.org/0000-0003-1850-1236"]},"institutions":[{"id":"https://openalex.org/I189158943","display_name":"University of Milan","ror":"https://ror.org/00wjc7c48","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]},{"id":"https://openalex.org/I66752286","display_name":"University of Milano-Bicocca","ror":"https://ror.org/01ynf4891","country_code":"IT","type":"education","lineage":["https://openalex.org/I66752286"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Valeria Isella","raw_affiliation_strings":["Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy","institution_ids":["https://openalex.org/I189158943","https://openalex.org/I66752286"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007609580","display_name":"Paola Melzi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I189158943","display_name":"University of Milan","ror":"https://ror.org/00wjc7c48","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]},{"id":"https://openalex.org/I66752286","display_name":"University of Milano-Bicocca","ror":"https://ror.org/01ynf4891","country_code":"IT","type":"education","lineage":["https://openalex.org/I66752286"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Paola Melzi","raw_affiliation_strings":["Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy","institution_ids":["https://openalex.org/I189158943","https://openalex.org/I66752286"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079277600","display_name":"Marco Grimaldi","orcid":"https://orcid.org/0000-0003-2399-4506","observed_orcids":["https://orcid.org/0000-0003-2399-4506"]},"institutions":[{"id":"https://openalex.org/I4210116940","display_name":"Don Carlo Gnocchi Foundation","ror":"https://ror.org/02e3ssq97","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210116940"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Marco Grimaldi","raw_affiliation_strings":["IRCCS Santa Maria Nascente, Don Gnocchi Foundation, Milan, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IRCCS Santa Maria Nascente, Don Gnocchi Foundation, Milan, Italy","institution_ids":["https://openalex.org/I4210116940"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002825705","display_name":"Simona Iurlaro","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I189158943","display_name":"University of Milan","ror":"https://ror.org/00wjc7c48","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]},{"id":"https://openalex.org/I66752286","display_name":"University of Milano-Bicocca","ror":"https://ror.org/01ynf4891","country_code":"IT","type":"education","lineage":["https://openalex.org/I66752286"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Simona Iurlaro","raw_affiliation_strings":["Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy","institution_ids":["https://openalex.org/I189158943","https://openalex.org/I66752286"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029563726","display_name":"Roberto Piolti","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I189158943","display_name":"University of Milan","ror":"https://ror.org/00wjc7c48","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]},{"id":"https://openalex.org/I66752286","display_name":"University of Milano-Bicocca","ror":"https://ror.org/01ynf4891","country_code":"IT","type":"education","lineage":["https://openalex.org/I66752286"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Roberto Piolti","raw_affiliation_strings":["Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy","institution_ids":["https://openalex.org/I189158943","https://openalex.org/I66752286"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025574771","display_name":"Carlo Ferrarese","orcid":"https://orcid.org/0000-0002-7499-6600","observed_orcids":["https://orcid.org/0000-0002-7499-6600"]},"institutions":[{"id":"https://openalex.org/I189158943","display_name":"University of Milan","ror":"https://ror.org/00wjc7c48","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]},{"id":"https://openalex.org/I66752286","display_name":"University of Milano-Bicocca","ror":"https://ror.org/01ynf4891","country_code":"IT","type":"education","lineage":["https://openalex.org/I66752286"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Carlo Ferrarese","raw_affiliation_strings":["Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy","institution_ids":["https://openalex.org/I189158943","https://openalex.org/I66752286"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087721035","display_name":"Lodovico Frattola","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I189158943","display_name":"University of Milan","ror":"https://ror.org/00wjc7c48","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]},{"id":"https://openalex.org/I66752286","display_name":"University of Milano-Bicocca","ror":"https://ror.org/01ynf4891","country_code":"IT","type":"education","lineage":["https://openalex.org/I66752286"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Lodovico Frattola","raw_affiliation_strings":["Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy","institution_ids":["https://openalex.org/I189158943","https://openalex.org/I66752286"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029579711","display_name":"Ildebrando Marco Appollonio","orcid":"https://orcid.org/0000-0003-4717-6479","observed_orcids":["https://orcid.org/0000-0003-4717-6479"]},"institutions":[{"id":"https://openalex.org/I189158943","display_name":"University of Milan","ror":"https://ror.org/00wjc7c48","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]},{"id":"https://openalex.org/I66752286","display_name":"University of Milano-Bicocca","ror":"https://ror.org/01ynf4891","country_code":"IT","type":"education","lineage":["https://openalex.org/I66752286"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Ildebrando Appollonio","raw_affiliation_strings":["Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neurological Department, University of Milan-Bicocca, S. Gerardo Hospital, Monza (MI), Italy","institution_ids":["https://openalex.org/I189158943","https://openalex.org/I66752286"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4480,"currency":"USD","value_usd":4480},"apc_paid":null,"fwci":3.6911,"has_fulltext":false,"cited_by_count":220,"citation_normalized_percentile":{"value":0.92693617,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":100},"biblio":{"volume":"17","issue":"2","first_page":"366","last_page":"371"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10085","display_name":"Parkinson's Disease Mechanisms and Treatments","score":0.989300012588501,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10085","display_name":"Parkinson's Disease Mechanisms and Treatments","score":0.989300012588501,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10009","display_name":"Dementia and Cognitive Impairment Research","score":0.005900000222027302,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10919","display_name":"Deep Brain Stimulation and Movement Disorders","score":0.0019000000320374966,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/apathy","display_name":"apathy","score":0.9929999709129333},{"id":"https://openalex.org/keywords/parkinson-s-disease","display_name":"Parkinson's disease","score":0.996999979019165},{"id":"https://openalex.org/keywords/neuropsychiatric-symptoms","display_name":"neuropsychiatric symptoms","score":0.7919999957084656},{"id":"https://openalex.org/keywords/executive-function","display_name":"executive function","score":0.8820000290870667},{"id":"https://openalex.org/keywords/frontotemporal-atrophy","display_name":"frontotemporal atrophy","score":0.9120000004768372},{"id":"https://openalex.org/keywords/depression","display_name":"depression","score":0.7910000085830688},{"id":"https://openalex.org/keywords/motivation","display_name":"motivation","score":0.4099999964237213}],"concepts":[{"id":"https://openalex.org/C2776509080","wikidata":"https://www.wikidata.org/wiki/Q309406","display_name":"Apathy","level":3,"score":0.9925336837768555},{"id":"https://openalex.org/C14216870","wikidata":"https://www.wikidata.org/wiki/Q3872","display_name":"Neuropsychology","level":3,"score":0.7453232407569885},{"id":"https://openalex.org/C2776867660","wikidata":"https://www.wikidata.org/wiki/Q1814941","display_name":"Depression (economics)","level":2,"score":0.6165812611579895},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.6137887239456177},{"id":"https://openalex.org/C2779734285","wikidata":"https://www.wikidata.org/wiki/Q11085","display_name":"Parkinson's disease","level":3,"score":0.5705269575119019},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.49855661392211914},{"id":"https://openalex.org/C2776811091","wikidata":"https://www.wikidata.org/wiki/Q3818443","display_name":"Neuropsychological test","level":4,"score":0.45453789830207825},{"id":"https://openalex.org/C169900460","wikidata":"https://www.wikidata.org/wiki/Q2200417","display_name":"Cognition","level":2,"score":0.41658294200897217},{"id":"https://openalex.org/C2781172350","wikidata":"https://www.wikidata.org/wiki/Q194520","display_name":"Atrophy","level":2,"score":0.4164651930332184},{"id":"https://openalex.org/C70410870","wikidata":"https://www.wikidata.org/wiki/Q199906","display_name":"Clinical psychology","level":1,"score":0.40210962295532227},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.37402230501174927},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.30563461780548096},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.23256555199623108},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000339","descriptor_name":"Affect","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005625","descriptor_name":"Frontal Lobe","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009042","descriptor_name":"Motivation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D009460","descriptor_name":"Neurologic Examination","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009483","descriptor_name":"Neuropsychological Tests","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D010300","descriptor_name":"Parkinson Disease","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":false},{"descriptor_ui":"D010300","descriptor_name":"Parkinson Disease","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":true},{"descriptor_ui":"D013702","descriptor_name":"Temporal Lobe","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":true}],"locations_count":4,"locations":[{"id":"doi:10.1002/mds.10041","doi":"https://doi.org/10.1002/mds.10041","is_oa":false,"landing_page_url":"https://doi.org/10.1002/mds.10041","pdf_url":null,"source":{"id":"https://openalex.org/S163027424","display_name":"Movement Disorders","issn_l":"0885-3185","issn":["0885-3185","1531-8257"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-3","ki-jl-2","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Movement Disorders","raw_type":"journal-article"},{"id":"pmid:11921125","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/11921125","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Movement disorders : official journal of the Movement Disorder Society","raw_type":"Journal Article"},{"id":"pmh:oai:boa.unimib.it:10281/35626","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/10281/35626","pdf_url":null,"source":{"id":"https://openalex.org/S4306401259","display_name":"BOA (University of Milano-Bicocca)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66752286","host_organization_name":"University of Milano-Bicocca","host_organization_lineage":["https://openalex.org/I66752286"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:boa.unimib.it:10281/3812","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/10281/3812","pdf_url":null,"source":{"id":"https://openalex.org/S4306401259","display_name":"BOA (University of Milano-Bicocca)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66752286","host_organization_name":"University of Milano-Bicocca","host_organization_lineage":["https://openalex.org/I66752286"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.9940000176429749}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W74099017","https://openalex.org/W1977238326","https://openalex.org/W1982921548","https://openalex.org/W1984277824","https://openalex.org/W2010202486","https://openalex.org/W2042082284","https://openalex.org/W2052981745","https://openalex.org/W2055395950","https://openalex.org/W2058391551","https://openalex.org/W2067350116","https://openalex.org/W2069815496","https://openalex.org/W2072091935","https://openalex.org/W2085169628","https://openalex.org/W2112519660","https://openalex.org/W2141644074","https://openalex.org/W2146955312","https://openalex.org/W2151657042","https://openalex.org/W2153638564","https://openalex.org/W2153730032","https://openalex.org/W2155286134","https://openalex.org/W2276751657","https://openalex.org/W2472775700","https://openalex.org/W4317926736"],"related_works":["https://openalex.org/W2116601930","https://openalex.org/W2067441472","https://openalex.org/W4234873928","https://openalex.org/W2026092851","https://openalex.org/W3214975121","https://openalex.org/W2800164823","https://openalex.org/W2804933167","https://openalex.org/W2136820381","https://openalex.org/W849971570","https://openalex.org/W2510933611"],"abstract_inverted_index":{"Apathy":[0,49],"is":[1],"a":[2,128,172,185,192],"salient":[3],"feature":[4],"of":[5,61,67,80,95,118,141,156,165,177],"various":[6,62],"neuropsychiatric":[7],"disorders,":[8],"from":[9],"depression":[10,107],"to":[11,151,170,184,191],"Alzheimer's":[12],"disease.":[13],"We":[14],"formally":[15],"assess":[16],"its":[17,26],"prevalence":[18],"in":[19,116,179],"idiopathic":[20],"Parkinson's":[21],"disease":[22],"(PD)":[23],"together":[24],"with":[25,34,160],"clinical,":[27],"neuropsychological,":[28],"and":[29,36,47,106,137,174],"morphometric":[30,147],"correlates.":[31],"Thirty":[32],"patients":[33,52],"PD":[35,69,85,101],"25":[37],"normal":[38],"controls":[39],"were":[40],"assessed":[41],"using":[42],"an":[43],"extensive":[44],"neuropsychological":[45],"battery":[46],"Marin's":[48],"Scale;":[50],"parkinsonian":[51],"also":[53],"underwent":[54],"MRI":[55],"scan,":[56],"followed":[57],"by":[58],"linear":[59],"measurement":[60],"frontotemporal":[63,157],"structures.":[64],"Approximately":[65],"45%":[66],"the":[68,77,81,84,93,96,146,161],"sample":[70,86],"showed":[71],"apathy.":[72,166],"For":[73],"comparison":[74],"analysis,":[75],"given":[76],"unimodal":[78],"distribution":[79],"apathy":[82,97,135,168],"scores,":[83],"was":[87,132],"divided":[88],"into":[89],"three":[90,100],"groups":[91,102],"on":[92,139],"basis":[94],"tertiles.":[98],"All":[99],"had":[103],"worse":[104],"cognitive":[105],"scores":[108,136],"than":[109],"controls,":[110],"whereas":[111],"they":[112],"did":[113],"not":[114],"differ":[115],"terms":[117],"demographic,":[119],"neurological,":[120],"general":[121],"cognitive,":[122],"or":[123,163],"affective":[124],"features.":[125],"By":[126],"contrast,":[127],"significant":[129],"positive":[130],"association":[131],"found":[133],"between":[134],"performance":[138],"tests":[140],"executive":[142],"function.":[143],"As":[144],"regards":[145],"data,":[148],"we":[149],"failed":[150],"find":[152],"any":[153],"specific":[154],"measure":[155],"atrophy":[158],"correlating":[159],"presence":[162],"severity":[164],"Thus,":[167],"seems":[169],"be":[171],"frequent":[173],"important":[175],"companion":[176],"PD,":[178],"many":[180],"cases":[181],"probably":[182],"due":[183],"primary":[186],"motivational":[187],"impairment,":[188],"possibly":[189],"related":[190],"frontosubcortical":[193],"dysfunction.":[194]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":9},{"year":2016,"cited_by_count":20},{"year":2015,"cited_by_count":11},{"year":2014,"cited_by_count":17},{"year":2013,"cited_by_count":17},{"year":2012,"cited_by_count":12}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2016-06-24T00:00:00"}
