title: Fear and anxiety: a simultaneous concept analysis.
abstract: OBJECTIVE
  A simultaneous concept analysis of fear and anxiety.
  
  
  OBJECTIVE
  To develop a process model that reflects distinct characteristics of fear and anxiety.
  
  
  METHODS
  Existing biopsychology empirics and theory from peer review with and external to nursing literature.
  
  
  CONCLUSIONS
  Fear and anxiety are distinct diagnoses guided by separate brain mechanisms. The author offers a process model for further critique by peers and clinical populations.
authors.affiliation: University of Michigan, School of Nursing, Ann Arbor, USA.
authors.forename: E J
authors.initials: EJ
authors.lastname: Bay
authors.forename: D L
authors.initials: DL
authors.lastname: Algase
mesh_terms: D001007:Anxiety / Q000451:nursing / Q000503:physiopathology / Q000523:psychology*; D005239:Fear / Q000502:physiology / Q000523:psychology*; D006801:Humans; D016294:Models, Nursing; D008960:Models, Psychological; D009446:Neurobiology; D009733:Nursing Diagnosis / Q000145:classification / Q000592:standards*; D015403:Nursing Evaluation Research