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    Tamar Gollan

    Address9500 Gilman Drive #0948
    CA La Jolla 92093
    Phone858-246-1263
    vCardDownload vCard

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      Collapse Overview

      Biography

      Dr. Gollan received her B.A. from Brandeis University, a Ph.D. in clinical and cognitive neuropsychology from the University of Arizona, and completed an internship in clinical neuropsychology at UCSD, and post-doctoral fellowships at UCSD and Pomona college where she taught classes on Cognitive Science and Cognitive Neuropsychology. Dr. Gollan is a faculty member of the UCSD/SDSU Joint Doctoral Program in Clinical Psychology, and also mentors undergraduate research as part of the Faculty Mentor Program and the McNair Program for students who are underrepresented in graduate education. Dr. Gollan’s research is funded by an R01 from NIDCD.

      Research Interests

      Bilinguals seem to effortlessly control which language they speak. They almost never switch languages by mistake, and yet they can also switch fluently back and forth between languages when speaking in bilingual contexts. How do bilinguals maintain such effective control over language selection, and to what extent does language control rely on domain-general executive control? Do older bilinguals have more difficulty juggling two languages, and how does Alzheimer’s disease change a person’s ability to speak two languages? Bilinguals don’t seem different from monolinguals, but they know roughly twice as many words as monolinguals, and Dr. Gollan’s research suggests that this doubled load produces subtle but significant differences between bilinguals and monolinguals. Dr. Gollan’s research aims to discover how the language processing system manages the juggling associated with bilingualism to reveal the cognitive mechanisms that allow speakers to produce error free speech.

      Clinical Focus

      Diagnosing cognitive impairments in bilinguals is more complicated than in monolinguals. Bilinguals perform differently from monolinguals on many of the most commonly administered measures of neuropsychological functioning, and these tests were developed for use with monolinguals and therefore fail to consider aspects of performance that are unique to bilinguals. Test performance differences may erroneously suggest an "abnormality" when in fact they simply reflect the normal consequences of bilingualism. The clinical goals in Dr. Gollan’s research are 1) to determine whether performance differences between bilinguals and monolinguals will interfere with the detection of cognitive impairment in bilinguals, and 2) to develop tests that cater more specifically to assessment of bilinguals.


      Collapse Research 
      Collapse Research Activities and Funding
      Bilingual Language Control
      NIH/NICHD R56HD079426Jun 17, 2015 - May 31, 2016
      Role: Principal Investigator
      Bilingual Alzheimer's Disease
      NIH/NIDCD R01DC011492Dec 1, 2010 - Nov 30, 2020
      Role: Principal Investigator
      The Bilingual Effect on Speaking
      NIH/NICHD R01HD050287Feb 20, 2007 - Jan 31, 2013
      Role: Principal Investigator
      Using Cognates to Improve Bilingual Verbal Assessment
      NIH/NIDCD K23DC000191Apr 15, 2002 - Apr 30, 2008
      Role: Principal Investigator
      UCSD Alzheimer's Disease Research Center P50
      NIH/NIA P50AG005131Sep 28, 1984 - Mar 31, 2019
      Role: Co-Investigator

      Collapse Bibliographic 
      Collapse Publications
      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
      List All   |   Timeline
      1. Gollan T, Goldrick M. A Switch is Not a Switch: Syntactically-Driven Bilingual Language Control. J Exp Psychol Learn Mem Cogn. 2017 Aug 07. PMID: 28782969.
        View in: PubMed
      2. Gollan T, Stasenko A, Li C, Salmon DP. Bilingual language intrusions and other speech errors in Alzheimer's disease. Brain Cogn. 2017 Nov; 118:27-44. PMID: 28753438.
        View in: PubMed
      3. Li C, Goldrick M, Gollan T. Bilinguals' twisted tongues: Frequency lag or interference? Mem Cognit. 2017 May; 45(4):600-610. PMID: 28265900.
        View in: PubMed
      4. Ivanova I, Ferreira VS, Gollan T. Form Overrides Meaning When Bilinguals Monitor for Errors. J Mem Lang. 2017 Jun; 94:75-102. PMID: 28649169.
        View in: PubMed
      5. Gollan T, Goldrick M. Grammatical Constraints on Language Switching: Language Control is not Just Executive Control. J Mem Lang. 2016 Oct; 90:177-199. PMID: 27667899.
        View in: PubMed
      6. Kleinman D, Gollan T. Speaking Two Languages for the Price of One: Bypassing Language Control Mechanisms via Accessibility-Driven Switches. Psychol Sci. 2016 May; 27(5):700-14. PMID: 27016240.
        View in: PubMed
      7. Ivanova I, Murillo M, Montoya RI, Gollan T. Does Bilingual Language Control Decline in Older Age? Linguist Approaches Biling. 2016; 6(1-2):86-118. PMID: 28090222.
        View in: PubMed
      8. Tao L, Taft M, Gollan T. The Bilingual Switching Advantage: Sometimes Related to Bilingual Proficiency, Sometimes Not. J Int Neuropsychol Soc. 2015 Aug; 21(7):531-44. PMID: 26527242.
        View in: PubMed
      9. Gollan T, Starr J, Ferreira VS. More than use it or lose it: The number-of-speakers effect on heritage language proficiency. Psychon Bull Rev. 2015 Feb; 22(1):147-55. PMID: 24942146.
        View in: PubMed
      10. Weissberger GH, Gollan T, Bondi MW, Clark LR, Wierenga CE. Language and task switching in the bilingual brain: Bilinguals are staying, not switching, experts. Neuropsychologia. 2015 Jan; 66:193-203. PMID: 25446970.
        View in: PubMed
      11. Gollan T, Kleinman D, Wierenga CE. What's easier: Doing what you want, or being told what to do? Cued versus voluntary language and task switching. J Exp Psychol Gen. 2014 Dec; 143(6):2167-95. PMID: 25313951.
        View in: PubMed
      12. Ivanova I, Salmon DP, Gollan T. Which Language Declines More? Longitudinal versus Cross-sectional Decline of Picture Naming in Bilinguals with Alzheimer's Disease. J Int Neuropsychol Soc. 2014 May; 20(5):534-46. PMID: 24725624.
        View in: PubMed
      13. Sheng L, Lu Y, Gollan T. Assessing language dominance in Mandarin-English bilinguals: Convergence and divergence between subjective and objective measures. Biling (Camb Engl). 2014 Apr; 17(2):364-383. PMID: 25379011.
        View in: PubMed
      14. Suarez PA, Gollan T, Heaton R, Grant I, Cherner M. Second-language fluency predicts native language stroop effects: evidence from spanish-english bilinguals. J Int Neuropsychol Soc. 2014 Mar; 20(3):342-8. PMID: 24622502.
        View in: PubMed
      15. Wardlow L, Ivanova I, Gollan T. The cognitive mechanisms underlying perspective taking between conversational partners: Evidence from speakers with Alzheimer?s disease. Neuropsychologia. 2014 Apr; 56:184-95. PMID: 24467889.
        View in: PubMed
      16. Gollan T, Ferreira VS, Cera C, Flett S. Translation-priming effects on tip-of-the-tongue states. Lang Cogn Process. 2014 Jan 1; 29(3):278-288. PMID: 24644375.
        View in: PubMed
      17. Gollan T, Schotter ER, Gomez J, Murillo M, Rayner K. Multiple levels of bilingual language control: evidence from language intrusions in reading aloud. Psychol Sci. 2014 Feb 1; 25(2):585-95. PMID: 24367061.
        View in: PubMed
      18. Kang SH, Gollan T, Pashler H. Don't just repeat after me: Retrieval practice is better than imitation for foreign vocabulary learning. Psychon Bull Rev. 2013 Dec; 20(6):1259-65. PMID: 23681928.
        View in: PubMed
      19. Runnqvist E, Gollan T, Costa A, Ferreira VS. A disadvantage in bilingual sentence production modulated by syntactic frequency and similarity across languages. Cognition. 2013 Nov; 129(2):256-63. PMID: 23948209.
        View in: PubMed
      20. Prior A, Gollan T. The elusive link between language control and executive control: A case of limited transfer. J Cogn Psychol (Hove). 2013 Aug 1; 25(5):622-645. PMID: 24688756.
        View in: PubMed
      21. Van Assche E, Duyck W, Gollan T. Whole-language and item-specific control in bilingual language production. J Exp Psychol Learn Mem Cogn. 2013 Nov; 39(6):1781-92. PMID: 23647380.
        View in: PubMed
      22. Weissberger GH, Salmon DP, Bondi MW, Gollan T. Which neuropsychological tests predict progression to Alzheimer's disease in Hispanics? Neuropsychology. 2013 May; 27(3):343-55. PMID: 23688216.
        View in: PubMed
      23. Ivanova I, Salmon DP, Gollan T. The multilingual naming test in Alzheimer's disease: clues to the origin of naming impairments. J Int Neuropsychol Soc. 2013 Mar; 19(3):272-83. PMID: 23298442.
        View in: PubMed
      24. Emmorey K, Petrich JA, Gollan T. Bimodal bilingualism and the frequency-lag hypothesis. J Deaf Stud Deaf Educ. 2013 Jan; 18(1):1-11. PMID: 23073709.
        View in: PubMed
      25. Gollan T, Goldrick M. Does bilingualism twist your tongue? Cognition. 2012 Dec; 125(3):491-7. PMID: 22959222.
        View in: PubMed
      26. Antón-Méndez I, Schütze CT, Champion MK, Gollan T. What the tip-of-the-tongue (TOT) says about homophone frequency inheritance. Mem Cognit. 2012 Jul; 40(5):802-11. PMID: 22351522.
        View in: PubMed
      27. Gollan T, Weissberger GH, Runnqvist E, Montoya RI, Cera CM. Self-ratings of Spoken Language Dominance: A Multi-Lingual Naming Test (MINT) and Preliminary Norms for Young and Aging Spanish-English Bilinguals. Biling (Camb Engl). 2012 Jul; 15(3):594-615. PMID: 25364296.
        View in: PubMed
      28. Weissberger GH, Wierenga CE, Bondi MW, Gollan T. Partially overlapping mechanisms of language and task control in young and older bilinguals. Psychol Aging. 2012 Dec; 27(4):959-74. PMID: 22582883.
        View in: PubMed
      29. Kamat R, Ghate M, Gollan T, Meyer R, Vaida F, Heaton RK, Letendre S, Franklin D, Alexander T, Grant I, Mehendale S, Marcotte TD. Effects of Marathi-Hindi bilingualism on neuropsychological performance. J Int Neuropsychol Soc. 2012 Mar; 18(2):305-13. PMID: 22206622.
        View in: PubMed
      30. Gollan T, Salmon DP, Montoya RI, Galasko DR. Degree of bilingualism predicts age of diagnosis of Alzheimer's disease in low-education but not in highly educated Hispanics. Neuropsychologia. 2011 Dec; 49(14):3826-30. PMID: 22001315.
        View in: PubMed
      31. Gollan T, Sandoval T, Salmon DP. Cross-language intrusion errors in aging bilinguals reveal the link between executive control and language selection. Psychol Sci. 2011 Sep; 22(9):1155-64. PMID: 21775653.
        View in: PubMed
      32. Prior A, Gollan T. Good language-switchers are good task-switchers: evidence from Spanish-English and Mandarin-English bilinguals. J Int Neuropsychol Soc. 2011 Jul; 17(4):682-91. PMID: 22882810.
        View in: PubMed
      33. Gollan T, Slattery TJ, Goldenberg D, Van Assche E, Duyck W, Rayner K. Frequency drives lexical access in reading but not in speaking: the frequency-lag hypothesis. J Exp Psychol Gen. 2011 May; 140(2):186-209. PMID: 21219080.
        View in: PubMed
      34. Antón-Méndez I, Gollan T. Not just semantics: strong frequency and weak cognate effects on semantic association in bilinguals. Mem Cognit. 2010 Sep; 38(6):723-39. PMID: 20852236.
        View in: PubMed
      35. Gollan T, Salmon DP, Montoya RI, da Pena E. Accessibility of the nondominant language in picture naming: a counterintuitive effect of dementia on bilingual language production. Neuropsychologia. 2010 Apr; 48(5):1356-66. PMID: 20036679.
        View in: PubMed
      36. Pyers JE, Gollan T, Emmorey K. Bimodal bilinguals reveal the source of tip-of-the-tongue states. Cognition. 2009 Aug; 112(2):323-9. PMID: 19477437.
        View in: PubMed
      37. Gollan T, Ferreira VS. Should I stay or should I switch? A cost-benefit analysis of voluntary language switching in young and aging bilinguals. J Exp Psychol Learn Mem Cogn. 2009 May; 35(3):640-65. PMID: 19379041.
        View in: PubMed
      38. Rivera Mindt M, Arentoft A, Kubo Germano K, D'Aquila E, Scheiner D, Pizzirusso M, Sandoval TC, Gollan T. Neuropsychological, cognitive, and theoretical considerations for evaluation of bilingual individuals. Neuropsychol Rev. 2008 Sep; 18(3):255-68. PMID: 18841477.
        View in: PubMed
      39. Gollan T, Montoya RI, Cera C, Sandoval TC. More use almost always a means a smaller frequency effect: Aging, bilingualism, and the weaker links hypothesis. J Mem Lang. 2008 Apr; 58(3):787-814. PMID: 19343088.
        View in: PubMed
      40. Gollan T, Fennema-Notestine C, Montoya RI, Jernigan TL. The bilingual effect on Boston Naming Test performance. J Int Neuropsychol Soc. 2007 Mar; 13(2):197-208. PMID: 17286875.
        View in: PubMed
      41. Gollan T, Brown AS. From tip-of-the-tongue (TOT) data to theoretical implications in two steps: when more TOTs means better retrieval. J Exp Psychol Gen. 2006 Aug; 135(3):462-83. PMID: 16846276.
        View in: PubMed
      42. Thompson R, Emmorey K, Gollan T. "Tip of the fingers" experiences by deaf signers: insights into the organization of a sign-based lexicon. Psychol Sci. 2005 Nov; 16(11):856-60. PMID: 16262769.
        View in: PubMed
      43. Gollan T, Montoya RI, Fennema-Notestine C, Morris SK. Bilingualism affects picture naming but not picture classification. Mem Cognit. 2005 Oct; 33(7):1220-34. PMID: 16532855.
        View in: PubMed
      44. Gollan T, Salmon DP, Paxton JL. Word association in early Alzheimer's disease. Brain Lang. 2006 Dec; 99(3):289-303. PMID: 16122782.
        View in: PubMed
      45. Gollan T, Montoya RI, Bonanni MP. Proper names get stuck on bilingual and monolingual speakers' tip of the tongue equally often. Neuropsychology. 2005 May; 19(3):278-87. PMID: 15910114.
        View in: PubMed
      46. Gollan T, Acenas LA. What is a TOT? Cognate and translation effects on tip-of-the-tongue states in Spanish-English and tagalog-English bilinguals. J Exp Psychol Learn Mem Cogn. 2004 Jan; 30(1):246-69. PMID: 14736310.
        View in: PubMed
      47. Gollan T, Montoya RI, Werner GA. Semantic and letter fluency in Spanish-English bilinguals. Neuropsychology. 2002 Oct; 16(4):562-76. PMID: 12382994.
        View in: PubMed
      48. Gollan T, Frost R. Two routes to grammatical gender: evidence from Hebrew. J Psycholinguist Res. 2001 Nov; 30(6):627-51. PMID: 11913850.
        View in: PubMed
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