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Brain differences in how obsessive-compulsive patients process uncertainty compared to controls

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Stern, E., Welsh, R., Gonzalez, R., Fitzgerald, K., Abelson, J., & Taylor, S. (2013). Subjective uncertainty and limbic hyperactivation in obsessive-compulsive disorder. Human Brain Mapping. 34, 1956-1970. DOI: 10.1002/hbm.22038 …

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Decision Making
Statistics/Methods
Design Science
Brain Imaging
Psychology

Decision Making, Psychology, Statistics/Methods »

When emotions are both positive and negative

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We propose a new measure for assessing mixed emotions over daily activities in older adults. The Activity Affective Complexity score is demonstrated in a subsample of older adults from the Health and Retirement Survey.

Reference

Smith, J., Ryan, L., Queen, T., Becker, S., & Gonzalez, R. (2014). Snapshots of mixtures of affective experiences in a day: Findings from the Health and Retirement Study.  Journal of Population Ageing, 7, 55-79. DOI: 10.1007/s12062-014-9093-8  PDF

Abstract

In 2009, a representative subsample of participants in the Health and Retirement Study (HRS: N = 5333; Age 50–101) responded to a short day reconstruction self-administered questionnaire that asked about their time and experiences on seven activities the previous day. We evaluate the quality and reliability of responses to this 10-min measure of experienced well-being and compare the properties and correlates of three intensity-based composites reflecting mixtures of activity-linked affective experiences (Activity-Positive Affect, Activity-Negative Affect, and Net Affect), and a frequency-based index, Activity Affective Complexity, that summarizes the proportion of activities that include a mixture of positive and negative affective experiences regardless of intensity. On average, older adults reported that 36 % of the activities in their day provided some mixture of feelings (e.g., interested and frustrated). Regression models revealed differential associations for the four constructs of affective well-being with socio-demographic factors, physical and mental health, and proximal indicators of the day’s context. We conclude that the HRS short day reconstruction measure is reliable and discuss the conceptual issues in assessing, summarizing, and interpreting the complexity of emotional experience in older adults.

Extending our approach of choosing the next query in decision making studies: Testing probability weighting functions

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Cavagnaro, D., Pitt, M., Gonzalez, R., \& Myung, J. (2013). Discriminating among probability weighting functions using adaptive design optimization. {\it Journal of Risk and Uncertainty, 47,} 255-289. 10.1007/s11166-013-9179-3  PDF
Abstract
Probability weighting …

Does having a companion present when consulting an oncologist help the cancer patient process information better?

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Eggly, S., Penner, L., Hagiwara, N., Gonzalez, R., Harper, F., Heath, E., \& Albrecht, T. (2013). Patient, companion, and oncologist perceptions of information discussed during oncology clinical interactions. {\it Psych-Oncology, …

A call to take a population approach to neuroscience

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Falk, E., Hyde, L., Mitchel, C., Faul, J., Gonzalez, R., Heitzeg, M., Keating, D., Langa, K., Martz, M., Maslowsky, J., Morrison, F., Noll, D., Patrick, M., Pfeffer, P., Reuter-Lorenz, P., …

What does the ratio of physician-patient talk time during actual medical interactions have to do with race?

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Hagiwara, N., Penner, L., Gonzalez, R., Eggly, S., Dovidio, J., Gaertner, S., West, T., \& Albrecht, T. (2013). Racial attitudes, physician-patient talk time ratio, and adherence in racially discordant medical …

Health disparities among blacks: It isn’t just due to skin color

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Hagiwara, N., Penner, L., Gonzalez, R., Eggly, S., \& Albrecht, T. (2013). Within-group health disparities among Blacks: The effects of Afrocentric features and unfair treatment. {\it Cultural Diversity \& Ethnic Minority Psychology, …