Biological Research Methods

IB Exam Secrets e-book is out!

  • Lab Experiments
    • Vontrolled studies that attempt to find cause and effect relationships between independent and dependent variables
  • Neuroimaging allow you to find brain regions (biological correlates) of behavior
    • PET
    • fMRI
  • Correlational studies allow you to test the role of genetics vs. environment on behavior
    • Twin studies - twins reared apart to test the effect of genetic vs. environment on their behavior
      • Any differences found between twins reared apart are considered environmental
    • Family studies
  • Lesion studies allow you to find biological correlates of behavior, we assume the missing behavior and damaged brain area are related
    • Phineas Gage's personality changed because of damage to his frontal lobe area
    • HM
    • Clive Wearing

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