Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2091068967', 'doi': 'https://doi.org/10.1016/s0002-7138(09)62300-1', 'title': 'The Effects of Caffeine and Methylphenidate on Hyperactive Children', 'display_name': 'The Effects of Caffeine and Methylphenidate on Hyperactive Children', 'publication_year': 1978, 'publication_date': '1978-06-01', 'ids': {'openalex': 'https://openalex.org/W2091068967', 'doi': 'https://doi.org/10.1016/s0002-7138(09)62300-1', 'mag': '2091068967', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/690354'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/s0002-7138(09)62300-1', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210208274', 'display_name': 'Journal of the American Academy of Child Psychiatry', 'issn_l': '0002-7138', 'issn': ['0002-7138', '2376-614X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310315739', 'host_organization_name': 'Yale University Press', 'host_organization_lineage': ['https://openalex.org/P4310315739'], 'host_organization_lineage_names': ['Yale University Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5113662743', 'display_name': 'Philip Firestone', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2799330578', 'display_name': "Children's Hospital of Eastern Ontario", 'ror': 'https://ror.org/05nsbhw27', 'country_code': 'CA', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2799330578']}], 'countries': ['CA'], 'is_corresponding': True, 'raw_author_name': 'Philip Firestone', 'raw_affiliation_strings': ["Dr. Firestone is a psychologist in the Department of Psychology, Children's Hospital of Eastern Ontario, Dr. Goodman is Chief of the Department of Psychology, and Ms. Peters is a research assistant. Dr. Davey is a pediatrician in the Learning Service"], 'affiliations': [{'raw_affiliation_string': "Dr. Firestone is a psychologist in the Department of Psychology, Children's Hospital of Eastern Ontario, Dr. Goodman is Chief of the Department of Psychology, and Ms. Peters is a research assistant. Dr. Davey is a pediatrician in the Learning Service", 'institution_ids': ['https://openalex.org/I2799330578']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5042453793', 'display_name': 'Jean Davey', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2799330578', 'display_name': "Children's Hospital of Eastern Ontario", 'ror': 'https://ror.org/05nsbhw27', 'country_code': 'CA', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2799330578']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'Jean Davey', 'raw_affiliation_strings': ["Dr. Firestone is a psychologist in the Department of Psychology, Children's Hospital of Eastern Ontario, Dr. Goodman is Chief of the Department of Psychology, and Ms. Peters is a research assistant. Dr. Davey is a pediatrician in the Learning Service"], 'affiliations': [{'raw_affiliation_string': "Dr. Firestone is a psychologist in the Department of Psychology, Children's Hospital of Eastern Ontario, Dr. Goodman is Chief of the Department of Psychology, and Ms. Peters is a research assistant. Dr. Davey is a pediatrician in the Learning Service", 'institution_ids': ['https://openalex.org/I2799330578']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5074050488', 'display_name': 'John T. Goodman', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2799330578', 'display_name': "Children's Hospital of Eastern Ontario", 'ror': 'https://ror.org/05nsbhw27', 'country_code': 'CA', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2799330578']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'John T. Goodman', 'raw_affiliation_strings': ["Dr. Firestone is a psychologist in the Department of Psychology, Children's Hospital of Eastern Ontario, Dr. Goodman is Chief of the Department of Psychology, and Ms. Peters is a research assistant. Dr. Davey is a pediatrician in the Learning Service"], 'affiliations': [{'raw_affiliation_string': "Dr. Firestone is a psychologist in the Department of Psychology, Children's Hospital of Eastern Ontario, Dr. Goodman is Chief of the Department of Psychology, and Ms. Peters is a research assistant. Dr. Davey is a pediatrician in the Learning Service", 'institution_ids': ['https://openalex.org/I2799330578']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5012765401', 'display_name': 'Susan A. Peters', 'orcid': 'https://orcid.org/0000-0002-6591-9697'}, 'institutions': [{'id': 'https://openalex.org/I2799330578', 'display_name': "Children's Hospital of Eastern Ontario", 'ror': 'https://ror.org/05nsbhw27', 'country_code': 'CA', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2799330578']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'Susan Peters', 'raw_affiliation_strings': ["Dr. Firestone is a psychologist in the Department of Psychology, Children's Hospital of Eastern Ontario, Dr. Goodman is Chief of the Department of Psychology, and Ms. Peters is a research assistant. Dr. Davey is a pediatrician in the Learning Service"], 'affiliations': [{'raw_affiliation_string': "Dr. Firestone is a psychologist in the Department of Psychology, Children's Hospital of Eastern Ontario, Dr. Goodman is Chief of the Department of Psychology, and Ms. Peters is a research assistant. Dr. Davey is a pediatrician in the Learning Service", 'institution_ids': ['https://openalex.org/I2799330578']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5113662743'], 'corresponding_institution_ids': ['https://openalex.org/I2799330578'], 'apc_list': None, 'apc_paid': None, 'fwci': 2.865, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 39, 'citation_normalized_percentile': {'value': 0.918792, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 92, 'max': 93}, 'biblio': {'volume': '17', 'issue': '3', 'first_page': '445', 'last_page': '456'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10537', 'display_name': 'Attention Deficit Hyperactivity Disorder', 'score': 0.978, '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'}}, 'topics': [{'id': 'https://openalex.org/T10537', 'display_name': 'Attention Deficit Hyperactivity Disorder', 'score': 0.978, '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/T10010', 'display_name': 'Obesity, Physical Activity, Diet', 'score': 0.9649, 'subfield': {'id': 'https://openalex.org/subfields/2739', 'display_name': 'Public Health, Environmental and Occupational 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/T13777', 'display_name': 'Cognitive and psychological constructs research', 'score': 0.9342, 'subfield': {'id': 'https://openalex.org/subfields/3207', 'display_name': 'Social Psychology'}, 'field': {'id': 'https://openalex.org/fields/32', 'display_name': 'Psychology'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/crossover-study', 'display_name': 'Crossover study', 'score': 0.7028293}], 'concepts': [{'id': 'https://openalex.org/C2778500429', 'wikidata': 'https://www.wikidata.org/wiki/Q60235', 'display_name': 'Caffeine', 'level': 2, 'score': 0.97752464}, {'id': 'https://openalex.org/C2777112843', 'wikidata': 'https://www.wikidata.org/wiki/Q422112', 'display_name': 'Methylphenidate', 'level': 3, 'score': 0.96406734}, {'id': 'https://openalex.org/C2780319597', 'wikidata': 'https://www.wikidata.org/wiki/Q1549918', 'display_name': 'Impulsivity', 'level': 2, 'score': 0.7206861}, {'id': 'https://openalex.org/C87813604', 'wikidata': 'https://www.wikidata.org/wiki/Q1242899', 'display_name': 'Crossover study', 'level': 4, 'score': 0.7028293}, {'id': 'https://openalex.org/C15744967', 'wikidata': 'https://www.wikidata.org/wiki/Q9418', 'display_name': 'Psychology', 'level': 0, 'score': 0.48828626}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.34703904}, {'id': 'https://openalex.org/C138496976', 'wikidata': 'https://www.wikidata.org/wiki/Q175002', 'display_name': 'Developmental psychology', 'level': 1, 'score': 0.28019845}, {'id': 'https://openalex.org/C118552586', 'wikidata': 'https://www.wikidata.org/wiki/Q7867', 'display_name': 'Psychiatry', 'level': 1, 'score': 0.260841}, {'id': 'https://openalex.org/C2780783007', 'wikidata': 'https://www.wikidata.org/wiki/Q181923', 'display_name': 'Attention deficit hyperactivity disorder', 'level': 2, 'score': 0.18825391}, {'id': 'https://openalex.org/C27081682', 'wikidata': 'https://www.wikidata.org/wiki/Q269829', 'display_name': 'Placebo', 'level': 3, 'score': 0.058853656}, {'id': 'https://openalex.org/C204787440', 'wikidata': 'https://www.wikidata.org/wiki/Q188504', 'display_name': 'Alternative medicine', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C142724271', 'wikidata': 'https://www.wikidata.org/wiki/Q7208', 'display_name': 'Pathology', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D002110', 'descriptor_name': 'Caffeine', 'qualifier_ui': 'Q000627', 'qualifier_name': 'therapeutic use', 'is_major_topic': True}, {'descriptor_ui': 'D006948', 'descriptor_name': 'Hyperkinesis', 'qualifier_ui': 'Q000188', 'qualifier_name': 'drug therapy', 'is_major_topic': True}, {'descriptor_ui': 'D008774', 'descriptor_name': 'Methylphenidate', 'qualifier_ui': 'Q000627', 'qualifier_name': 'therapeutic use', 'is_major_topic': True}, {'descriptor_ui': 'D002110', 'descriptor_name': 'Caffeine', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002648', 'descriptor_name': 'Child', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004311', 'descriptor_name': 'Double-Blind Method', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004341', 'descriptor_name': 'Drug Evaluation', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006948', 'descriptor_name': 'Hyperkinesis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008774', 'descriptor_name': 'Methylphenidate', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/s0002-7138(09)62300-1', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210208274', 'display_name': 'Journal of the American Academy of Child Psychiatry', 'issn_l': '0002-7138', 'issn': ['0002-7138', '2376-614X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310315739', 'host_organization_name': 'Yale University Press', 'host_organization_lineage': ['https://openalex.org/P4310315739'], 'host_organization_lineage_names': ['Yale University Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/690354', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/3', 'display_name': 'Good health and well-being', 'score': 0.78}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 45, 'referenced_works': ['https://openalex.org/W1518696661', 'https://openalex.org/W1531513816', 'https://openalex.org/W157654880', 'https://openalex.org/W1591598348', 'https://openalex.org/W168933685', 'https://openalex.org/W1748771142', 'https://openalex.org/W1964329459', 'https://openalex.org/W1964821657', 'https://openalex.org/W1967353395', 'https://openalex.org/W1976371269', 'https://openalex.org/W1980511095', 'https://openalex.org/W1988731416', 'https://openalex.org/W2028453087', 'https://openalex.org/W2028659271', 'https://openalex.org/W2032914713', 'https://openalex.org/W2033172358', 'https://openalex.org/W2039720389', 'https://openalex.org/W2040914596', 'https://openalex.org/W2041876407', 'https://openalex.org/W2045290628', 'https://openalex.org/W2047600004', 'https://openalex.org/W2054115293', 'https://openalex.org/W2054611801', 'https://openalex.org/W2090822499', 'https://openalex.org/W2109288022', 'https://openalex.org/W2114285589', 'https://openalex.org/W2116376889', 'https://openalex.org/W2150125870', 'https://openalex.org/W2150408020', 'https://openalex.org/W2157923620', 'https://openalex.org/W2163123771', 'https://openalex.org/W2163882542', 'https://openalex.org/W2165871684', 'https://openalex.org/W2165875812', 'https://openalex.org/W2166592825', 'https://openalex.org/W2187160950', 'https://openalex.org/W2318670114', 'https://openalex.org/W2323973223', 'https://openalex.org/W2325902617', 'https://openalex.org/W2412008218', 'https://openalex.org/W2414369892', 'https://openalex.org/W268642497', 'https://openalex.org/W3139980415', 'https://openalex.org/W4205412916', 'https://openalex.org/W4247653355'], 'related_works': ['https://openalex.org/W4390828492', 'https://openalex.org/W4387644765', 'https://openalex.org/W4313544854', 'https://openalex.org/W2748952813', 'https://openalex.org/W2147143675', 'https://openalex.org/W2091068967', 'https://openalex.org/W2042860672', 'https://openalex.org/W2020059354', 'https://openalex.org/W2000571453', 'https://openalex.org/W1992051646'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2091068967', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 3}, {'year': 2015, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 1}], 'updated_date': '2024-12-16T12:47:04.439821', 'created_date': '2016-06-24'}