Behavior Articles

• Opium
  Healthy Aging
  Attention Deficit Disorder
  Sports Medicine
  Addiction
  Pregnancy and Childbirth
   

  Opioid

  An opioid is any agent that binds to opioid receptors, found principally in the central nervous system and gastrointestinal tract. There are four broad classes of opioids: endogenous opioid peptides, ... > more
• Nervous System
  Molecular Biology
  Cell Biology
  Sports Medicine
  Neuroscience
  Biology
   
  

  Chemical synapse

  Chemical synapses are specialized junctions through which cells of the nervous system signal to one another and to non-neuronal cells such as muscles or glands. A chemical synapse between a motor ... > more
• Healthy Aging
  Sports Medicine
  Cosmetic Surgery
  Pregnancy and Childbirth
  Perception
  Attention Deficit Disorder
   

  Facial symmetry

  Facial symmetry is one of a number of traits associated with health, physical attractiveness and beauty of a person or animal. It is also hypothesized as a factor in interpersonal attraction. R.J. ... > more
• Healthy Aging
  Attention Deficit Disorder
  Disorders and Syndromes
  Sports Medicine
  Perception
  Pregnancy and Childbirth
   

  Hallucination

  A hallucination is a sensory perception experienced in the absence of an external stimulus, as distinct from an illusion, which is a misperception of an external stimulus. Hallucinations may occur in ... > more
• Mammals
  Trees
  Endangered Plants
  Nature
  Veterinary Medicine
  Language Acquisition
   
  

  Wood Bison

  The Wood Bison is a distinct northern subspecies of the North American Bison. Reduced by hunting from a total population of about 168,000 to less than 250 individuals by 1900, the Wood Bison has ... > more
• Social Psychology
  Relationships
  Psychology
  Perception
  Psychiatry
  Autism
   
  

  Social movement

  Social movements are a type of group action. They are large informal groupings of individuals and/or organizations focused on specific political or social issues, in other words, on carrying out, ... > more
• Alternative Medicine
  Attention Deficit Disorder
  Healthy Aging
  Sports Medicine
  Diseases and Conditions
  Pain Control
   

  Aromatherapy

  Aromatherapy,, commonly associated with complementary and alternative medicine (CAM), is the use of volatile liquid plant materials, known as essential oils (EOs), and other aromatic compounds from ... > more
• Neuroscience
  Perception
  Intelligence
  Sleep Disorders
  Insomnia
  Brain Injury
   
  

  Electroencephalography

  Electroencephalography is the neurophysiologic measurement of the electrical activity of the brain by recording from electrodes placed on the scalp or, in special cases, on the cortex. The resulting ... > more
• Attention Deficit Disorder
  Sports Medicine
  Healthy Aging
  Down Syndrome
  Psychiatry
  Autism
   

  Tic

  A tic is a sudden, repetitive, stereotyped, nonrhythmic, involuntary movement (motor tic) or sound (phonic tic) that involves discrete groups of muscles. Tics can be invisible to the observer (e.g.; ... > more
• Eye Care
  Perception
  Healthy Aging
  Sports Medicine
  Cosmetic Surgery
  Attention Deficit Disorder
   
  

  Eye

  An eye is an organ of vision that detects light. Different kinds of light-sensitive organs are found in a variety of organisms. The simplest eyes do nothing but detect whether the surroundings are ... > more

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