• Endogenous Neuroactive Extracellular Signal Transducers (A Detailed Ligand-Receptor Chart)
  
• Putative orphan G protein-coupled receptors (A detailed table of related information)
• List of Future Treatments for Depression, Anxiety, Sleep Disorders, Psychosis, and ADHD
• Information Needs of Primary Care Physicians: an extensive page about primary care physicians, their information needs, obstacles to their information needs, implications for librarians, and dozens of key online resources.
  
• Original Article: Agmatine and Near-Death Experiences: can the neurotransmitter agmatine help to induce near-death experiences?
  
• Neurotransmitter and Receptor Family Reviews
  
• Neuropsychology in Perspective: Perceptual Control Theory: understanding control theory is a requirement for understanding how the brain works.
• Free Online Textbooks and Related Resources
  
• Other Offsite Research Resources
  
• What is a neurotransmitter? See [Neuroscience. 2nd ed. (Purves, Dale; Augustine, George.J.; Fitzpatrick, David; Katz, Lawrence.C.; LaMantia, Anthony-Samuel.; McNamara, James.O.; Williams, S. Mark, editors.)