Karen's Research...           

           *Please note that my submissions to date are under the names "Redwine" and "Watorski" rather than "Dayberry"        

            The field of psychology I've focused the majority of my research efforts on is known as neuropsychopharmacology, the study of drugs, the brain and behavior.  I worked with Dr. Keith Trujillo in his laboratory at Cal State San Marcos from 1997-2002.  The research in Dr. Trujillo's lab focuses on a variety of drugs, though primarily opiates, and a variety of phenomenon associated with addiction, particularly tolerance, sensitization and physical dependence.  We've focused our studies on the NMDA receptor (an excitatory amino acid receptor) and its involvement in drug addiction and pain, among other things.  We're currently working on a publication which will review inconsistencies in the literature regarding the effectiveness of NMDA receptor antagonists as adjuncts to opiates for the treatment of pain. 

            Current research: I began a doctoral program at Claremont Graduate University in the Fall of 2004.  I am working with Dr. Nicole Weekes and Dr. Richard Lewis at Pomona College (one of the 5 Claremont Undergraduate Colleges).  My concentration area is cognitive neuroscience.  I'm studying the effect of chronic changes in cortisol levels (as a result of stress) on memory performance and hemispheric specialization (assessed by EEG band widths).  Watch for updates on my progress! 

           Redwine*, K.E. & Trujillo, K.A.  (2003).  Effects of NMDA receptor antagonists on acute m opioid analgesia in the rat. Pharmacology, Biochemistry and Behavior,76, 361-372. 

         Watorski*, K. & Trujillo, K.A.   (2002).  Inconsistent effects of NMDA  receptor antagonists on opiate analgesia.  International Narcotics Research Conference Program and Abstracts, Abstract #8, 51. (Presented at the 2002 International Narcotics Research Conference). 

Trujillo, K.A., Warmoth, K.P., Peterson, D.J., Albertson, D.N., Watorski*, K. and Swadley-Lewellen, R.M. (2001). NMDA receptor antagonists inhibit the development of tolerance and sensitization to the locomotor effects of opiates.  Society for Neuroscience Abstracts, 27, Abstract #224.11.  (Presented at the 2001 Society for Neuroscience Meeting). 

 

Trujillo, K.A., Warmoth, K.P., Mendez, I.A., Watorski*, K., Peterson, D.J., Albertson, D.N. and Swadley- Lewellen, R.M. (2001). Contrasting effects of NMDA receptor antagonists on opiate analgesia and locomotion. Drug and Alcohol Dependence, 63 (Suppl. 1), S159-S160. (Presented at the 2001 College on Problems of Drug Dependence Annual Meeting). 

 

Trujillo, K.A. and Watorski*, K. (1999). Does MK-801 affect the expression of opiate tolerance, sensitization or physical dependence? Society for Neuroscience Abstracts, 25, 2076. (Presented at the 1999 Society for Neuroscience Meeting).   

 

Lewellen, R.M., Watorski*, K., Warmoth, K. and Trujillo, K.A. (1999). Acute behavioral interactions between opiates and NMDA receptor antagonists in rats. NIDA Research Monograph, 179, 95. (Presented at the 1998 College on Problems of Drug Dependence Meeting).

 

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