Poison avoidance and patch (location) selection in rats

Poison ivy, poison oak, and poison sumac.

Effect of Morphine on Passive Avoidance Memory in Cholestatic Rats

Background and purpose: Morphine as an opioid compound has different and sometimes conflicting effects on memory and learning process. Bile duct ligation causes cholestasis, which disrupts liver function. It is known that opioid systems are involved in cholestasis. The aim of this study was to investigate the possible effect of morphine on the memory of cholestatic rats. Materials and methods:...

Time Course of Changes in Passive Avoidance and Y-maze Performance in Male Diabetic Rats

Diabetes mellitus is accompanied with disturbances in learning, memory, and cognitive skills in the human society and experimental animals. Therefore, this research study was conducted to evaluate time-dependent changes in passive avoidance and Y-maze performance in male diabetic rats. For this purpose, male Wistar rats were randomly divided into control and diabetic groups. For induction of di...

Location Selection and Resource Allocation for Field Hospitals after a Possible Earthquake in Amol City, Iran

Background and objective Transferring injured people to medical centers is one of the important challenges of providing relief in natural and man-made disasters. Often, due to the damage caused by the disaster, it is not possible to transfer the injured to safe medical centers in the short term. Establishing field hospitals in suitable places is one of the common solutions in these situations. ...

Can ovariectomy and learning affect prefrontal cortex GABAAα1 receptor distribution in passive avoidance model in rats?

Introduction: The interaction between steroid hormones and neurotransmitters such as GABA has been proved. The regulation of muscimol binding to high-affinity GABAA receptors by estradiol and progesterone has been studied within distinct brain regions using in vitro quantitative autoradiography. There are few studies about the mechanism of the effect of steroid hormones on behaviors such as ...