text: A sample Irwin screen includes overt behavior observations and autonomic observations:
  Overt Behavior
  * increased activity
  * decreased activity
  * sedation
  * tremor
  * convulsions
  ** myoclonic
  ** tonic/clonic
  * straub tail
  * stereotypy
  * increased exploration
  * decreased exploration
  * ataxia
  * weakness
  * catalepsy
  * pain threshold (tail pinch)
  * loss of righting reflex
  * writhing (i.p. administration)
  Autonomic Observations
  * piloerection
  * diarrhoea
  * exophthalmos
  * salivation
  * vasoconstriction
  * vasodilatation
  * cyanosis
  * lacrymation
  * ptosis
  * miosis
  * mydriasis
  * hypothermia