HM

• What condition did HM have from a young age?

  Epilepsy
• What part of HM's brain was removed?

  Hippocampus
• What type of memory could HM not make after his surgery?

  New long-term memories
• Which types of long-term memories could HM access?

  Old long-term memories
• What does HM's ability to use STM suggest?

  STM and LTM are separate systems
• What type of memory could HM still make?

  Procedural memories
• What are the strengths of HM's case study?

  • Provides insights into memory formation
  • Ethical to study pre-existing brain damage
  • Rich detail and depth of information
  • Uses triangulation for validity
• What are the weaknesses of HM's case study?

  • Small sample size (one person)
  • Unique individual with specific brain damage
  • Ethical issues with informed consent