Principal Investigator

Karin Hoth, PhD, ABPP, Associate Professor

Department of Psychiatry, University of Iowa


Dr. Hoth is a board certified clinical neuropsychologist with expertise in aging and cognitive changes associated with chronic medical illnesses.  She received her Ph.D. in Clinical Psychology from the University of Iowa and completed both her pre-doctoral internship and a two-year fellowship in Clinical Neuropsychology at Brown University.  Her research focuses on two major themes: 1) identifying physiological mechanisms that impact the brain in adults with chronic cardiopulmonary diseases, and 2) psychological adjustment, particularly anxiety and depression, in chronic lung disease. She has received research awards including a Ruth L. Kirschstein National Research Service Award (F32), a Clinical-Translational Research Scholar Award (KL2), a Patient-Oriented Career Development Award (K23), and a NIH Research Project Grant (R01).  She has an interest in education, specifically related to professional career development.


Lab Members

Cari Linkenmeyer, MAE


Department of Psychiatry, University of Iowa


Phone:  319-353-8520




Carinda (Cari) Linkenmeyer is a Research Associate for the Hoth Lab. Cari graduated from Iowa State University in Ames with a bachelor’s degree in psychology. She went on to earn a master’s degree in education (school counseling) from the University of Northern Iowa in 2010. Cari worked as a substitute teacher and school counselor before joining the University of Iowa Neuroimaging Consortium in the Department of Psychiatry as a research assistant in January 2013.  She has assisted with research focused on adolescent brain development, Huntington’s disease, and now the COPD and the Brain study.



Undergraduate Students

 Sabrina Brown

Sabrina is a Neuroscience major in the College of Liberal Arts and Sciences at the University of Iowa with a minor in Spanish.  She joined the Hoth lab in Fall 2021 and will assist with a range of projects in the lab, including the COPD and the Brain study.  After graduation Sabrina plans to attend graduate school and pursue a career in Neuroscience research.



Graduate Students

Anna Croghan, MA, Clinical Psychology Graduate Student

Department of Psychology, University of North Dakota

Anna Croghan is a Ph.D. candidate at the University of North Dakota studying clinical psychology. Anna's research interests broadly include the interaction between mood disorders and neuropsychological functioning in individuals with chronic illnesses. Prior to beginning her graduate school program in 2016 she was a research assistant in the Hoth lab.  She completed a graduate student summer fellowship at the University of Iowa in 2017 and maintains involvement with the COPD and the Brain study.


Click here to learn about the COPD and the Brain Study Co-Investigators


Former Lab Members

Holly Hemann, Undergraduate Research Assistant

Kelsey Baller, Undergraduate Research Assistant

Andrew Metzger, MABE, Clinical Trials Research Assistant/ Data Manager

Christina Wong, Undergraduate Research Assistant

Allison Mask, Part-Time Research Assistant 

Hannatu Amaza, BS, CCRC, Research Associate

Ellen Kinner, MA, Clinical Science Graduate Student-Behavioral- Biomedical Interface Training Program Rotation Student, Department of Psychological and Brain Sciences

Amanda Brunette, MA, Clinical Science Graduate Student- Behavioral-Biomedical Interface Training Program Rotation Student, Department of Psychological and Brain Sciences

Rachel Luehrs, PhD, Graduate Research Assistant

Chloe Hlas, BA, University of Iowa MD candidate- Summer Research Fellowship Program

Benjamin Reasoner, MS, University of Iowa MD candidate-Summer Research Fellowship Program