introduction: one of the hallmark symptoms of posttraumatic stress disorder (ptsd) is the impaired extinction of traumatic memory. single prolonged stress (sps) has been suggested as an animal model of ptsd, since sps rats exhibited the impaired fear extinction. oxytocin (oxt) has been recently suggested as a potential pharmacotherapy for treatment of ptsd. in this study, using sps rats we inve...

background: dental fear leads to lack of child cooperation. in general, without the patient's cooperation, success in remedy is impossible. this study aimed to evaluate parental view about the origins of the dental fear in children as well as their view about factors contributing to the prevention of child dental fear. methods: this was a cross sectional descriptive and analytical study which w...

background and aims. dental fear/anxiety as a barrier in accessing oral health care is poorly investigated in iranian children. the aims of this study were to evaluate the prevalence of dental fear and behavior management problems, as well as to examine the relationship between dental fear/anxiety and probable concomitant factors. materials and methods. mothers of 200 children aged 3-6 were par...

fear of crime is a very prevalent issue today. it challenges the safety of cities. for this reason it has gained considerable attention among the sociologists and criminologists over the last 20 years. whilst men experiencing relatively high rates of violence, they report their fear of crime less than women. in the contrary women have a much greater fear of crime than men, but are victimized le...

background: the majority of individuals who visit the dentist are anxious. they are usually capable of controlling their anxiety. however, this fear sometimes creates great problems for the patient and dentist such as lack of visiting the dentist for treatment, incorrect diagnosis due to lack of appropriate communication between the patient and dentist, and finally, reduction of oral health lev...

background: the biological effects of radiation on radiology personnel are divided into two groups of deterministic effects and stochastic effects. due to the effects of radiation on health, radiology staff may be afraid of radiation. younger personnel with little work experience, compared with older personnel, have higher level of fear. the fear among radiology personnel, like employees of var...

around 75% of civilians have experienced at least one traumatic event in their lives, and this number is considerably higher in many parts of the world, as well as in military veterans and first responders. of those exposed to trauma, 15-25% will develop posttraumatic stress disorder (ptsd).  ptsd extracts enormous economic, health, and quality of life cost. thus, it is critical to understand m...