Selected Peer-Reviewed Publications:
1. Cullum, C.M., Harris, J.G., Waldo, M., Smernoff, E., Madison, A., Nagamoto, H.T., Griffith, J., Adler, L.E., & Freedman, R. (1993). Neurophysiological and neuropsychological evidence for attentional dysfunction in schizophrenia. Schizophrenia Research, 10, 131-141.
2. Harris, J.G., Cullum, C.M., & Puente, A.E. (1995). Effects of bilingualism on verbal learning and memory in Hispanic adults. Journal of the International Neuropsychological Society, 1, 10-16.
3. Harris, J.G., Adler, L.E., Young, D.A., Cullum, C.M., Rilling, L.M., Cicerello, A., Intemann, P.M., & Freedman, R. (1996). Neuropsychological dysfunction in parents of schizophrenics. Schizophrenia Research, 20, 253-260.
4. Echemendía, R.J., Harris, J.G., Congett, S.M. Diaz, M.L., & Puente, A.E. (1997). Neuropsychological training and practices with Hispanics. The Clinical Neuropsychologist, 11, 229-243.
5. Ross, R.G., Olincy, A., Harris, J.G., Radant, A., Adler, L.E., & Freedman, R. (1998). Anticipatory saccades during smooth pursuit eye movements and familial transmission of schizophrenia. Biological Psychiatry, 8, 690-697.
6. Ross, R.G., Harris, J.G., Olincy, A., Radant, A., Adler, L.E., & Freedman, R. (1998). Familial transmission of two independent saccadic abnormalities in schizophrenia. Schizophrenia Research, 30, 59-70.
7. Ross, R.G., Olincy, A., Harris, J.G., Radant, A., Hawkins, M., Adler, L.E., & Freedman, R. (1999). Evidence for bilineal inheritance of physiological indicators of risk in childhood-onset schizophrenia. American Journal of Medical Genetics, 88, 188-199.
8. Ross, R.G., Olincy, A., Harris, J.G., Radant, A., Adler, L.E., Compagnon, N., & Freedman, R. (1999). The effects of age on a smooth pursuit tracking task in adults with schizophrenia and normals. Biological Psychiatry, 46, 383-391.
9. Waldo, M.C., Adler, L.E., Leonard, S., Olincy, A., Ross, R.G., Harris, J.G., & Freedman, R. (2000). Familial transmission of risk factors in the first degree relatives of schizophrenic people. Biological Psychiatry, 47, 231-239.
10. Freedman, R., Adams, C., Adler, L.E., Bickford, P.C., Gault, J., Harris, J.G., Olincy, A., Ross, R.G., Stevens, K., Waldo, M., & Leonard, S. (2000). Inhibitory neurophysiological deficit as phenotype for genetic investigation of schizophrenia. Journal of Medical Genetics, 97, 58-64.
11. Ross, R.G, Olincy A., Harris J.G., Sullivan B., & Radant A. (2000). Smooth pursuit eye movements in schizophrenia and attentional dysfunction: Adults with schizophrenia, ADHD, and a normal comparison group. Biological Psychiatry, 48, 197-203.
12. Ross, R.G., Harris, J.G., Olincy, A., & Radant, A. (2000). Eye movement task measures inhibition and spatial working memory in adults with schizophrenia, ADHD and a normal comparison group. Psychiatric Research, 95(1), 43-53.
13. Harris, J.G. & Filley, C.F. (2001). CADASIL: Neuropsychological findings in three generations of an affected family. Journal of the International Neuropsychological Society, 7, 768-774.
14. Echemendia, R. & Harris, J.G. (2004). Neuropsychological test use with Hispanic/Latino populations in the United States: Part II of a national survey. Applied Neuropsychology, 11, 4-12.
15. Harris, J.G., Kongs, S., Allensworth, D.A., Sullivan, B., Zerbe, G., & Freedman, R. (2004). Effects of nicotine on cognitive deficits in schizophrenia. Neuropsychopharmacology, 29, 1378-1385.
16. Olincy, A., Harris, J.G., Johnson, L., Pender, V., Kongs, S., Allensworth, D., Ellis, J., Zerbe, G., Leonard, S., Stevens, K.E., Stevens, J.O., Martin, L., Adler, L.E., Soti, F., Kem, W.R., Freedman, R. (2006). Proof-of-Concept Trial of an α7-Nicotinic Agonist in Schizophrenia. Archives of General Psychiatry, 63, 630-638.
17. Harris, J.G., Minassian, A., & Perry, W. (2007). Stability of attention deficits in schizophrenic patients. Schizophrenia Research, 91, 107-111.
18. Harris, J.G. & Cullum, C.M. (2007). Symbol vs. digit substitution task performance in culturally and linguistically diverse groups. The Clinical Neuropsychologist, 21, 800-810.
19. Oakland, T. & Harris, J.G. (2009). The impact of test-taking behaviors on scores from the Wechsler Intelligence Scale for Children-IV Spanish Edition. Journal of Psychoeducational Assessment, 27(5), 366-373.
Grants and Contracts:
NIA - 1 R21AG028609-01A2, Harris (PI), 02/15/2008-01/31/2010
“Norms for the Assessment Memory Impairment in Spanish Speaking Older Adults”
The objectives of this grant are to adapt into Spanish two commonly used English language measures of memory function, to investigate the role of key demographic variables on performance, and to utilize these date to in the development of norms for Spanish speaking monolingual and bilingual adults.
HRSA -1D40HP08517, Harris (Co PI), 08/01/07-07/31/10
“UCDHSC Integrated Psychology Internship”
The objectives of this grant are to prepare psychology interns to practice in health care settings where underserved, minority and other disadvantaged populations seek health and mental health care services.
Role: Principal Investigator
NIMH -1 RO1 MH61412, Freedman (PI), 05/04/06-04/30/11
“Nictonic Agonists in Schizophrenia”
The purpose of this study is to examine a new nicotinic agonist as an antipsychotic drug in schizophrenia.
NINDS Contract - N01-NS-6-2366, Kramer (PI), 01/01/06-12/31/-09
“Domain Specific Tasks of Executive Function” (University of California, San Francisco)
Sought to establish a developmental battery of executive function measures in the English and Spanish languages
Role: Subcontract PI
2 RO1 MH059565, Freedman (PI), 09/10/03-7/31/07
“Molecular Genetics of Schizophrenia”
This project proposes to examine the genetic differences between 5,000 probands with schizophrenia and a
comparison group of control individuals.
NIMH - 2 RO1 MH38321, Freedman (PI), 05/01/00-04/30/06
“Electrophysiology of Sensory Gating”
This study compares siblings of schizophrenia patients and probands on a variety of measures, including MRI imaging, catecholamine metabolites, and neurophysiological performance, to determine what defects, in addition to sensory gating defects, are required to produce schizophrenia
NIMH - 1 RO1 MH59109, Harris (PI), 12/1/98-11/30/03
“Memory Functions in Hispanic Schizophrenics”
The goal of this study was to compare monolingual and bilingual individuals with schizophrenia on a variety of cognitive measures to determine whether multilingualism may mitigate cognitive deficits