Here are a few examples on psychology case studies:

Case Study: Phineas Gage
Phineas Gage was a railroad construction worker who suffered a severe brain injury in 1848.
A large iron rod pierced through his skull, damaging his frontal lobe.
Gage's personality drastically changed after the accident, highlighting the frontal lobe's role in emotional regulation and social behavior.
This case study contributed to our understanding of brain function and the importance of specific brain regions in personality traits.
Case Study: Little Albert
Conducted by John B. Watson in 1920, the "Little Albert" case study explored classical conditioning.
Albert, an 11-month-old infant, was conditioned to fear a white rat through pairing it with a loud noise.
This study demonstrated how fear responses could be learned and generalized to similar stimuli, contributing to the field of behaviorism.
Case Study: Genie
Known as "Genie," this case study involved a girl who experienced extreme social isolation from infancy until the age of 13.
Genie was deprived of normal language and social interaction, severely impacting her development.
This study shed light on critical periods for language acquisition and the influence of socialization on cognitive and linguistic development.
Case Study: The Stanford Prison Experiment
Conducted by Philip Zimbardo in 1971, the Stanford Prison Experiment simulated a prison environment to study the effects of social roles.
Participants were randomly assigned as prisoners or guards and quickly adopted their roles, leading to abusive behavior by the guards and psychological distress in the prisoners.
This study highlighted the powerful influence of situational factors on human behavior and raised ethical concerns about research involving human subjects.
Remember, these are just brief overviews of the case studies. Each case study has more in-depth information and analysis available for further exploration.