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Related Experiment Videos

Scalp whorls.

C P Samlaska1, W D James, L C Sperling

  • 1Dermatology Service, Walter Reed Army Medical Center.

Journal of the American Academy of Dermatology
|September 1, 1989
PubMed
Summary
This summary is machine-generated.

Scalp whorl patterns, like single or double parietal whorls, are typically normal. However, abnormal placement or absence may indicate brain development issues, while bony cranial defects are unrelated.

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Area of Science:

  • Developmental biology
  • Neuroscience
  • Human genetics

Background:

  • Scalp whorls, or hair whorls, are common patterns of hair growth on the head.
  • Abnormal scalp whorl patterns have been anecdotally linked to abnormal brain development.
  • Bony cranial development defects are not known to correlate with scalp whorl patterns.

Purpose of the Study:

  • To investigate the association between scalp whorl patterns and brain development.
  • To describe rare cases of scalp whorls and their developmental outcomes.
  • To review current theories on hair whorl development and classification of patterns.

Main Methods:

  • Literature review of existing theories and case studies.
  • Clinical observation and documentation of scalp whorl patterns.

Related Experiment Videos

  • Correlation analysis between scalp whorl characteristics and neurodevelopmental assessments.

    • Main Results:

    • Single and double parietal whorls represent normal scalp patterns.
    • Frontal hair whorl patterns are highly variable.
    • Cases of triple parietal and right temporal whorls were observed in individuals with normal development.
    • No association was found between scalp whorl patterns and bony cranial development defects.

    Conclusions:

    • Scalp whorl patterns can be highly variable and do not always indicate abnormal development.
    • The presence of unusual scalp whorls, such as triple parietal or temporal whorls, does not preclude normal neurodevelopment.
    • Further research is needed to fully understand the developmental origins and implications of diverse scalp whorl patterns.