Dr. Alexandra Castillo Ruiz

Assistant Professor

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Biography

Alexandra Castillo-Ruiz is an Assistant Professor in the Department of Psychology at Michigan State University. She earned her PhD in Psychology focusing on Ecology, Evolutionary Biology & Behavior, also from Michigan State University. Her areas of specialty include Behavioral Neuroscience, where she investigates the role of birth in brain and behavioral development. Her research posits that birth is a pivotal event in the life of placental mammals and can significantly orchestrate brain development. In her lab, she manipulates key events and milestones associated with birth using animal models, specifically mice. Current research projects explore how microbiota—the microorganisms that inhabit body surfaces—interact with birth methods (Cesarean vs. vaginal) to influence brain development. Castillo-Ruiz is committed to unraveling these complex interactions to better understand their implications for behavioral neuroscience.

Research Interests

Requirements for Michigan State University

Doctorate Program
Requirements
GPA Requirement
Required:3
TOEFL
Listening
Required:17
Reading
Required:17
Writing
Required:17
Speaking
Required:17
Total
Required:80
IELTS
Listening
Required:6
Reading
Required:6
Writing
Required:6
Speaking
Required:6
Overall
Required:6.5
Prerequisites
Bachelor's degree in Psychology or related field At least 15 credits in psychology courses
Application Checklist
  • Transcripts
  • Letters of Recommendation
  • Statement of Purpose
  • CV/Resume
Specialization Notes

Department of Psychology