Suzanne Mitchell

Summary

Affiliation: Oregon Health and Science University
Country: USA

Publications

  1. ncbi Effects of short-term nicotine deprivation on decision-making: delay, uncertainty and effort discounting
    Suzanne H Mitchell
    University of New Hampshire, USA
    Nicotine Tob Res 6:819-28. 2004
  2. ncbi The genetic basis of delay discounting and its genetic relationship to alcohol dependence
    Suzanne H Mitchell
    Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, OR 97239, United States
    Behav Processes 87:10-7. 2011
  3. ncbi The subjective value of delayed and probabilistic outcomes: Outcome size matters for gains but not for losses
    Suzanne H Mitchell
    Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, United States
    Behav Processes 83:36-40. 2010
  4. ncbi Mechanisms underlying heightened risk taking in adolescents as compared with adults
    Suzanne H Mitchell
    Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, Oregon 97239, USA
    Psychon Bull Rev 15:272-7. 2008
  5. ncbi Differences in delay discounting between smokers and nonsmokers remain when both rewards are delayed
    Suzanne H Mitchell
    Department of Behavioral Neuroscience, L470, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
    Psychopharmacology (Berl) 219:549-62. 2012
  6. ncbi Measuring impulsivity and modeling its association with cigarette smoking
    Suzanne H Mitchell
    Department of Behavioral Neuroscience, Oregon Health and Science University, USA
    Behav Cogn Neurosci Rev 3:261-75. 2004
  7. ncbi Impact of strain and D-amphetamine on impulsivity (delay discounting) in inbred mice
    Christa M Helms
    Department of Behavioral Neuroscience L 470, Oregon Health and Science University, Portland, OR 97239, USA
    Psychopharmacology (Berl) 188:144-51. 2006
  8. ncbi Response bias is unaffected by delay length in a delay discounting paradigm
    Clare J Wilhelm
    Department of Psychiatry, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, United States
    Behav Processes 84:445-9. 2010
  9. ncbi Global and local morphometric differences in recently abstinent methamphetamine-dependent individuals
    Daniel L Schwartz
    Research Service, Portland Veterans Affairs Medical Center, Portland, OR, USA
    Neuroimage 50:1392-401. 2010
  10. ncbi Delay discounting predicts behavioral sensitization to ethanol in outbred WSC mice
    Suzanne H Mitchell
    Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, Oregon 97239, USA
    Alcohol Clin Exp Res 30:429-37. 2006

Research Grants

  1. Interactions between impulsivity and cigarette smoking
    Suzanne Mitchell; Fiscal Year: 2007
  2. Reinforcer efficacy: measures and neural mechanisms
    Suzanne Mitchell; Fiscal Year: 2009

Detail Information

Publications15

  1. ncbi Effects of short-term nicotine deprivation on decision-making: delay, uncertainty and effort discounting
    Suzanne H Mitchell
    University of New Hampshire, USA
    Nicotine Tob Res 6:819-28. 2004
    ..Decision-making in the other tasks followed a similar pattern: Deprivation increased preference for the cigarette alternative but did not alter the decision-making processes for nondrug rewards...
  2. ncbi The genetic basis of delay discounting and its genetic relationship to alcohol dependence
    Suzanne H Mitchell
    Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, OR 97239, United States
    Behav Processes 87:10-7. 2011
    ..The identities of the genes in this network are not yet known, but research examining polymorphisms associated with differences in discounting is beginning to address this issue...
  3. ncbi The subjective value of delayed and probabilistic outcomes: Outcome size matters for gains but not for losses
    Suzanne H Mitchell
    Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, United States
    Behav Processes 83:36-40. 2010
    ..These results suggest that the processes underlying the subjective valuation of losses are different from those underlying the subjective valuation of gains...
  4. ncbi Mechanisms underlying heightened risk taking in adolescents as compared with adults
    Suzanne H Mitchell
    Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, Oregon 97239, USA
    Psychon Bull Rev 15:272-7. 2008
    ....
  5. ncbi Differences in delay discounting between smokers and nonsmokers remain when both rewards are delayed
    Suzanne H Mitchell
    Department of Behavioral Neuroscience, L470, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
    Psychopharmacology (Berl) 219:549-62. 2012
    ..That is, smokers discount the value of the LargeLater reward more than nonsmokers...
  6. ncbi Measuring impulsivity and modeling its association with cigarette smoking
    Suzanne H Mitchell
    Department of Behavioral Neuroscience, Oregon Health and Science University, USA
    Behav Cogn Neurosci Rev 3:261-75. 2004
    ..However, pertinent studies are limited and additional systematic research is needed...
  7. ncbi Impact of strain and D-amphetamine on impulsivity (delay discounting) in inbred mice
    Christa M Helms
    Department of Behavioral Neuroscience L 470, Oregon Health and Science University, Portland, OR 97239, USA
    Psychopharmacology (Berl) 188:144-51. 2006
    ..C57BL/6J (B6) and DBA/2J (D2) mouse strains differ in sensitivity to the associative effects and in self-administration of several drugs of abuse...
  8. ncbi Response bias is unaffected by delay length in a delay discounting paradigm
    Clare J Wilhelm
    Department of Psychiatry, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, United States
    Behav Processes 84:445-9. 2010
    ..These results indicate that response bias was stable and suggests a relative aversion for the adjusting alternative, which may be due to the variability in reward size associated with that alternative...
  9. ncbi Global and local morphometric differences in recently abstinent methamphetamine-dependent individuals
    Daniel L Schwartz
    Research Service, Portland Veterans Affairs Medical Center, Portland, OR, USA
    Neuroimage 50:1392-401. 2010
    ..The findings are consistent with multiple possible mechanisms including neuroadaptations due to addictive behavior, neuroinflammation as well as dopaminergic and serotonergic neurotoxicity...
  10. ncbi Delay discounting predicts behavioral sensitization to ethanol in outbred WSC mice
    Suzanne H Mitchell
    Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, Oregon 97239, USA
    Alcohol Clin Exp Res 30:429-37. 2006
    ....
  11. ncbi Cortical activation during delay discounting in abstinent methamphetamine dependent individuals
    William F Hoffman
    Mental Health and Clinical Neurosciences Division P35C, Veterans Affairs Medical Center, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA
    Psychopharmacology (Berl) 201:183-93. 2008
    ..The ventral system is hypothesized to respond to the salience and immediacy of rewards while the dorsal system is implicated in the process of comparison and choice...
  12. ncbi Neuropsychological function and delay discounting in methamphetamine-dependent individuals
    William F Hoffman
    Mental Health and Clinical Neurosciences Division and Methamphetamine Abuse Research Center P35C, Veterans Affairs Medical Center, and Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, OR 97239, USA
    Psychopharmacology (Berl) 188:162-70. 2006
    ..Methamphetamine (MA) dependence accounts for substantial neuropsychiatric morbidity. Furthermore, there is evidence in the literature of psychiatric and cognitive impairment in chronic users...
  13. ncbi Mouse lines selected for alcohol consumption differ on certain measures of impulsivity
    Clare J Wilhelm
    Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, Oregon 97239, USA
    Alcohol Clin Exp Res 31:1839-45. 2007
    ..The aim of this study was to examine the role of genetics by comparing impulsivity in short-term selected lines of mice bred to voluntarily drink either high (STDRHI2) or low (STDRLO2) amounts of 10% ethanol...
  14. ncbi Basolateral amygdala lesions and sensitivity to reinforcer magnitude in concurrent chains schedules
    Christa M Helms
    Oregon Health and Science University, Oregon National Primate Research Center, Division of Neuroscience, L 584, 505 N W 185th Avenue, Beaverton, OR 97006, USA
    Behav Brain Res 191:210-8. 2008
    ..Impaired learning about the tone-reinforcer magnitude relationships may have disrupted discrimination of the reinforcer magnitude reversal...
  15. ncbi Dopamine D2 receptors mediate reversal learning in male C57BL/6J mice
    Paul J Kruzich
    Oregon Health and Science University, Portland, Oregon 97239, USA
    Cogn Affect Behav Neurosci 6:86-90. 2006
    ..Our results suggest that dopamine D2 receptors regulate reversal learning and influence the reinforcing efficacy of natural rewards...

Research Grants10

  1. Interactions between impulsivity and cigarette smoking
    Suzanne Mitchell; Fiscal Year: 2007
    ..It is hoped that these studies will result in a better understanding of the factors impacting drug use and how drug use can impact decision-making. ..
  2. Reinforcer efficacy: measures and neural mechanisms
    Suzanne Mitchell; Fiscal Year: 2009
    ....