A novel three-dimensional tool for teaching human neuroanatomy

Area of Science:

• Medical Education
• Neuroscience
• Anatomy

Background:

• Three-dimensional (3D) visualization of neuroanatomy is crucial for medical students to interpret clinical data and succeed in neuroscience curricula.
• Traditional 2D methods present challenges in correlating cross-sectional anatomy with whole brain specimens.
• Developing effective teaching tools for 3D neuroanatomy is essential for medical training.

Purpose of the Study:

• To implement and evaluate a novel 3D physical modeling tool for teaching neuroanatomy to first-year medical students.
• To assess the impact of 3D modeling on students' understanding of 3D spatial relationships in the brain.
• To compare the effectiveness of 3D physical models versus traditional 2D methods in neuroanatomy education.

Main Methods:

• First-year medical students were randomized into experimental (3D model construction) and control (2D review) groups.
• Both groups received traditional 2D neuroanatomy instruction.
• The experimental group built 3D color-coded physical models of periventricular structures; the control group reviewed 2D cross-sections.

Main Results:

• The experimental group achieved significantly higher overall quiz scores compared to the control group (P < 0.05).
• Scores on questions specifically requiring 3D visualization were significantly higher for the 3D modeling group (P = 0.02).
• 84% of students recommended repeating the 3D activity, irrespective of learning style.

Conclusions:

• 3D physical modeling is an effective method for teaching spatial relationships in brain anatomy.
• This approach enhances students' ability to visualize 3D neuroanatomy, a vital skill for neuroscience, neurology, and neurosurgery.
• The 3D modeling activity is well-received by students and beneficial across different learning preferences.