Neurofunctional Abnormalities in Antisocial Spectrum: A Meta-analysis of fMRI studies on Five distinct Neurocognitive Research Domains
Publication date: Available online 18 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Jules R. Dugré, Joaquim Radua, Matthieu Carignan-Allard, Alexandre Dumais, Katya Rubia, Stéphane Potvin (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 18, 2020 Category: Neuroscience Source Type: research

Brain responses to social feedback in internalizing disorders: A comprehensive review
Publication date: Available online 18 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Brent I. Rappaport, Deanna M. Barch (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 18, 2020 Category: Neuroscience Source Type: research

Function of WFS1 and WFS2 in the Central Nervous System: Implications for Wolfram Syndrome and Alzheimer’s Disease
Publication date: Available online 17 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Liangping Li, Lalitha Venkataraman, Shuo Chen, Hongjun Fu (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 17, 2020 Category: Neuroscience Source Type: research

Parsing inter- and intra-individual variability in key nervous system mechanisms of stress responsivity and across functional domains
Publication date: Available online 14 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Sharona L. Rab, Roee Admon (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 15, 2020 Category: Neuroscience Source Type: research

Towards a computational psychiatry of juvenile obsessive-compulsive disorder
Publication date: November 2020Source: Neuroscience & Biobehavioral Reviews, Volume 118Author(s): Alisa M. Loosen, Tobias U. Hauser (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 15, 2020 Category: Neuroscience Source Type: research

Noninvasive Brain Stimulation & Space Exploration: Opportunities and Challenges
Publication date: Available online 13 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): S. Romanella, G. Sprugnoli, G. Ruffini, K. Seyedmadani, S. Rossi, E. Santarnecchi (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 15, 2020 Category: Neuroscience Source Type: research

What you see is what you hear: Twenty years of research using the Sound-Induced Flash Illusion
Publication date: Available online 13 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Rebecca J. Hirst, David P. McGovern, Annalisa Setti, Ladan Shams, Fiona N. Newell (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 15, 2020 Category: Neuroscience Source Type: research

Risk and protective factors for mental disorders with onset in childhood/adolescence: an umbrella review of published meta-analyses of observational longitudinal studies
Publication date: Available online 12 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Solmi Marco, Elena Dragioti, Celso Arango, Joaquim Radua, Edoardo Ostinelli, Ozge Kilic, Ugur Eser Yilmaz, Merve Yalcinay-İnan, Fernanda Cunha Soares, Luca Mariano, Pierluca Mosillo, Samuele Cortese, Christoph U. Correll, Andre F. Carvalho, Jae Il Shin, Paolo Fusar-Poli (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 14, 2020 Category: Neuroscience Source Type: research

Psychological Mechanisms and Functions of 5-HT and SSRIs in Potential Therapeutic Change: Lessons from the Serotonergic Modulation of Action Selection, Learning, Affect, and Social Cognition
Publication date: Available online 12 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Clark Roberts, Barbara J. Sahakian, Trevor W. Robbins (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 14, 2020 Category: Neuroscience Source Type: research

“Stopping for knowledge”: The sense of beauty in the perception-action cycle
Publication date: Available online 12 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): P. Sarasso, M. Neppi-Modona, K. Sacco, I. Ronga (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 12, 2020 Category: Neuroscience Source Type: research

Delineating implicit and explicit processes in neurofeedback learning
Publication date: Available online 10 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Santiago Muñoz-Moldes, Axel Cleeremans (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 11, 2020 Category: Neuroscience Source Type: research

Revisiting the role of anxiety in the initial acquisition of two-way active avoidance: pharmacological, behavioural and neuroanatomical convergence
Publication date: Available online 9 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Alberto Fernández-Teruel, Adolf Tobeña (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 9, 2020 Category: Neuroscience Source Type: research

Neuroimaging in paediatric mild traumatic brain injury: a systematic review
Publication date: Available online 6 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Vanessa C Rausa, Jesse Shapiro, Marc L Seal, Gavin A Davis, Vicki Anderson, Franz E Babl, Ryan Veal, Georgia Parkin, Nicholas P Ryan, Michael Takagi (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 8, 2020 Category: Neuroscience Source Type: research

Perceptual category learning in autism spectrum disorder: Truth and consequences
Publication date: Available online 7 September 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Eduardo Mercado, Karen Chow, Barbara A. Church, Christopher Lopata (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 8, 2020 Category: Neuroscience Source Type: research

Effect of immune activation on the kynurenine pathway and depression symptoms – A systematic review and meta-analysis
Publication date: November 2020Source: Neuroscience & Biobehavioral Reviews, Volume 118Author(s): Charlotte Hunt, Thiago Macedo e Cordeiro, Robert Suchting, Constanza de Dios, Valeria A. Cuellar Leal, Jair C Soares, Robert Dantzer, Antonio L Teixeira, Sudhakar Selvaraj (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - September 6, 2020 Category: Neuroscience Source Type: research

Associations between sex hormones, sleep problems and depression: A systematic review
Publication date: Available online 31 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): M.W.L. Morssinkhof, D.W. van Wylick, S. Priester-Vink, Y.D. van der Werf, M. den Heijer, O.A. van den Heuvel, B.F.P. Broekman (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 31, 2020 Category: Neuroscience Source Type: research

Organic Features of Autonomic Dysregulation in Paediatric Brain Injury – Clinical and Research Implications for the Management of Patients with Rett Syndrome
Publication date: Available online 27 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Jatinder Singh, Evamaria Lanzarini, Paramala Santosh (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 29, 2020 Category: Neuroscience Source Type: research

Diagnostic biomarkers for obsessive-compulsive disorder: A reasonable quest or ignis fatuus?
Publication date: Available online 28 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Miquel A. Fullana, Amitai Abramovitch, Esther Via, Clara López-Sola, Ximena Goldberg, Nuria Reina, Lydia Fortea, Aleix Solanes, Matthew J. Buckley, Valentina Ramella-Cravaro, André F. Carvalho, Miquel Tortella-Feliu, Eduard Vieta, Carles Soriano-Mas, Luisa Lázaro, Dan J. Stein, Lorena Fernández de la Cruz, David Mataix-Cols, Joaquim Radua (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 29, 2020 Category: Neuroscience Source Type: research

Prebiotics, probiotics, fermented foods and cognitive outcomes: A meta-analysis of randomized controlled trials
Publication date: Available online 27 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Wolfgang Marx, Andrew Scholey, Joseph Firth, Nathan M. D’Cunha, Melissa Lane, Meghan Hockey, Melanie M. Ashton, John F. Cryan, Adrienne O’Neil, Nenad Naumovski, Michael Berk, Olivia M. Dean, Felice Jacka (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 28, 2020 Category: Neuroscience Source Type: research

Dosage-sensitive genes in autism spectrum disorders: From neurobiology to therapy
Publication date: Available online 25 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Sehrish Javed, Tharushan Selliah, Yu-Ju Lee, Wei-Hsiang Huang (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 26, 2020 Category: Neuroscience Source Type: research

Effect of mmune Activation on the Kynurenine Pathway and Depression Symptoms – A Systematic Review and Meta-Analysis
Publication date: Available online 24 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): B.S Charlotte Hunt, Thiago Macedo e Cordeiro, Suchting Robert, Constanza de Dios, Valeria A. Cuellar Leal, Jair C Soares, Dantzer Robert, Teixeira Antonio, Selvaraj M.B.B.S. Sudhakar (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 26, 2020 Category: Neuroscience Source Type: research

Systematic Review and Meta-Analysis of Epidemiology of Internet Addiction
Publication date: Available online 25 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Yuan-Chien Pan, Yu-Chuan Chiu, Yu-Hsuan Lin (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 26, 2020 Category: Neuroscience Source Type: research

Symptoms of depersonalisation/derealisation disorder as measured by brain electrical activity: A systematic review
Publication date: Available online 23 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Abbas Salami, Javier Andreu-Perez, Helge Gillmeister (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 24, 2020 Category: Neuroscience Source Type: research

Imaging the “social brain” in schizophrenia: A systematic review of neuroimaging studies of social reward and punishment
Publication date: Available online 22 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Jessica L. Mow, Arti Gandhi, Daniel Fulford (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 24, 2020 Category: Neuroscience Source Type: research

Effort shapes social cognition and behaviour: A neuro-cognitive framework
Publication date: Available online 17 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Luis Sebastian Contreras-Huerta, Andrea Pisauro, Matthew A.J. Apps (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 19, 2020 Category: Neuroscience Source Type: research

Heart Rate Variability in Individuals with Autism Spectrum Disorders: a Meta-analysis
Publication date: Available online 17 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Ying-Chih Cheng, Yu-Chen Huang, Wei-Lieh Huang (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 19, 2020 Category: Neuroscience Source Type: research

Olfactory dysfunction in frontotemporal dementia and psychiatric disorders: A systematic review
Publication date: Available online 18 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Sarah Ellen Carnemolla, Julien Wen Hsieh, Rebecca Sipione, Basile N. Landis, Fiona Kumfor, Olivier Piguet, Aurélie L. Manuel (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 19, 2020 Category: Neuroscience Source Type: research

Cerebellar circuitry and auditory verbal hallucinations: An integrative synthesis and perspective
Publication date: Available online 15 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Ana P. Pinheiro, Michael Schwartze, Sonja A. Kotz (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 16, 2020 Category: Neuroscience Source Type: research

Prevalence of attention-deficit/hyperactivity disorder in older adults: A systematic review and meta-analysis
Publication date: November 2020Source: Neuroscience & Biobehavioral Reviews, Volume 118Author(s): Maja Dobrosavljevic, Carmen Solares, Samuele Cortese, Henrik Andershed, Henrik Larsson (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 14, 2020 Category: Neuroscience Source Type: research

Dysregulation of the orexinergic system: A potential neuropeptide target in depression
Publication date: Available online 5 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Sharafuddin Khairuddin, Luca Aquili, Boon Chin Heng, Tze Lok Cecil Hoo, Kah Hui Wong, Lee Wei Lim (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 13, 2020 Category: Neuroscience Source Type: research

Astroglia-specific contributions to the regulation of synapses, cognition and behaviour
Publication date: Available online 6 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Marcus Augusto-Oliveira, Gabriela P. Arrifano, Priscila Y. Takeda, Amanda Lopes-Araújo, Leticia Santos-Sacramento, Daniel C. Anthony, Alexei Verkhratsky, Maria Elena Crespo-Lopez (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 13, 2020 Category: Neuroscience Source Type: research

Brain changes associated with negative symptoms in clinical high risk for psychosis: A systematic review
Publication date: Available online 6 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Paul D. Metzak, Daniel J. Devoe, Amanda Iwaschuk, Amy Braun, Jean Addington (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 13, 2020 Category: Neuroscience Source Type: research

The mental and physical health of older offenders: A systematic review and meta-analysis
Publication date: Available online 9 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Carmen Solares, Maja Dobrosavljevic, Henrik Larsson, Samuele Cortese, Henrik Andershed (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 13, 2020 Category: Neuroscience Source Type: research

Neural signs and mechanisms of consciousness: Is there a potential convergence of theories of consciousness in sight?
Publication date: Available online 9 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Georg Northoff, Victor Lamme (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 13, 2020 Category: Neuroscience Source Type: research

Developmental trajectory of interpersonal motor alignment: positive social effects and link to social cognition
Publication date: Available online 9 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Birgit Rauchbauer, Marie-Hélène Grosbras (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 13, 2020 Category: Neuroscience Source Type: research

Scars of childhood socioeconomic stress: A Systematic Review
Publication date: Available online 11 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Natasha M. Wood, Thomas Trebilco, Sarah Cohen-Woods (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 13, 2020 Category: Neuroscience Source Type: research

The role of norepinephrine in the pathophysiology of schizophrenia
Publication date: Available online 5 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Verónica Mäki-Marttunen, Ole A. Andreassen, Thomas Espeseth (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 5, 2020 Category: Neuroscience Source Type: research

Editorial Board
Publication date: September 2020Source: Neuroscience & Biobehavioral Reviews, Volume 116Author(s): (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 5, 2020 Category: Neuroscience Source Type: research

Is there electrophysiological evidence for a bilingual advantage in neural processes related to executive functions?
Publication date: Available online 3 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Jesús Cespón, Manuel Carreiras (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 5, 2020 Category: Neuroscience Source Type: research

Genetic differences between bipolar disorder subtypes: A systematic review focused in bipolar disorder type Ii
Publication date: Available online 2 August 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Hugo Sérgio Almeida, Marina Mitjans, Barbara Arias, Eduard Vieta, José Ríos, Antonio Benabarre (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 3, 2020 Category: Neuroscience Source Type: research

Leveraging parasympathetic nervous system activity to study risk for psychopathology: The special case of callous-unemotional traits
Publication date: Available online 31 July 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Nicholas J. Wagner, Rebecca Waller (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 2, 2020 Category: Neuroscience Source Type: research

The effects of Cannabidiol (CBD) and Delta-9-Tetrahydrocannabinol (THC) on the recognition of emotions in facial expressions: A systematic review of randomized controlled trials
Publication date: Available online 31 July 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Giordano Novak Rossi, Flávia L. Osório, Celia J.A. Morgan, José Alexandre S. Crippa, José Carlos Bouso, Juliana Mendes Rocha, Antônio W. Zuardi, Jaime E.C. Hallak, Rafael G. dos Santos (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - August 2, 2020 Category: Neuroscience Source Type: research

The effects of acute nicotine administration on cognitive and early sensory processes in schizophrenia: a systematic review
Publication date: Available online 30 July 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Clément Dondé, Jérôme Brunelin, Marine Mondino, Caroline Cellard, Benjamin Rolland, Frédéric Haesebaert (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - July 31, 2020 Category: Neuroscience Source Type: research

An emotional-response model of bipolar disorders integrating recent findings on amygdala circuits
Publication date: Available online 31 July 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Mathilde Bigot, Mariana Alonso, Josselin Houenou, Samuel Sarrazin, Aroldo A. Dargél, Pierre-Marie Lledo, Chantal Henry (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - July 31, 2020 Category: Neuroscience Source Type: research

Sleep abnormalities across different clinical stages of Bipolar Disorder: A review of EEG studies
Publication date: Available online 29 July 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Caroline Zangani, Cecilia Casetta, Alejandro Serrano Saunders, Francesco Donati, Eleonora Maggioni, Armando D’Agostino (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - July 31, 2020 Category: Neuroscience Source Type: research

Working Memory Updating Training Promotes Plasticity & Behavioural Gains: A Systematic Review & Meta-Analysis
Publication date: Available online 30 July 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Katerina Pappa, Viveka Biswas, Kristin Flegal, Jonathan Evans, Satu Baylan (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - July 31, 2020 Category: Neuroscience Source Type: research

Sleep-dependent motor memory consolidation in healthy adults: A meta-analysis
Publication date: Available online 27 July 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Daniel Schmid, Daniel Erlacher, André Klostermann, Ralf Kredel, Ernst-Joachim Hossner (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - July 28, 2020 Category: Neuroscience Source Type: research

Sex differences and similarities in the neural circuit regulating song and other reproductive behaviors in songbirds
Publication date: Available online 28 July 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Gregory F. Ball, Jacques Balthazart (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - July 28, 2020 Category: Neuroscience Source Type: research

Memory and the circadian system: identifying candidate mechanisms by which local clocks in the brain may regulate synaptic plasticity
Publication date: Available online 23 July 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Matthew J. Hartsock, Robert L. Spencer (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - July 25, 2020 Category: Neuroscience Source Type: research

Neurobiology of Glycine Transporters: From Molecules to Behavior
Publication date: Available online 24 July 2020Source: Neuroscience & Biobehavioral ReviewsAuthor(s): Bruno Lemes Marques, Onésia Cristina Oliveira-Lima, Gustavo Almeida Carvalho, Raphaela de Almeida Chiarelli, Raul Izidoro Ribeiro, Ricardo Cambraia Parreira, Elis Marra da Madeira Freitas, Rodrigo Ribeiro Resende, Friederike Klempin, Henning Ulrich, Renato Santiago Gomez, Mauro Cunha Xavier Pinto (Source: Neuroscience and Biobehavioral Reviews)
Source: Neuroscience and Biobehavioral Reviews - July 25, 2020 Category: Neuroscience Source Type: research