STARS: Syncope Trust and Reflex Anoxic Seizures
- UK-based organization providing individuals, families and medical professionals with support and information about these causes of blackouts. Includes case studies, FAQ, research findings and publications.
- http://www.stars.org.uk

Neuroscience for Kids - Autonomic Nervous System
- An explanation of this system and what it does.
- http://faculty.washington.edu/chudler/auto.html

Illinois Valley Community College
- A description of the autonomic nervous system, its characteristics and divisions.
- http://www.ivcc.edu/caley/107/Lectures_Unit_3/ans.html

National Dysautonomia Research Foundation
- Covers the anatomical structure of the system, transmission of autonomic stimuli and functions of the autonomic nervous system.
- http://www.ndrf.org/ans.htm

The Autonomic Nervous System
- Overview of the parasympathetic and sympathetic nervous systems by Dr S Bakewell.
- http://www.nda.ox.ac.uk/wfsa/html/u05/u05_010.htm