Flashbacks

Flashbacks are involuntary, vivid episodes in which a past experience feels as though it is happening again, making them an important topic in psychology and mental-health research. They can be triggered by sensory cues, emotions, or situations that resemble the original event, as memory fragments and strong physiological responses become reactivated rather than recalled as ordinary autobiographical information. Flashbacks are especially associated with post-traumatic stress disorder, although intrusive recollections can occur in other conditions and after distressing experiences. Studying their triggers, timing, and bodily effects supports assessment and treatments that help people distinguish past events from present circumstances and regain daily functioning.

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Research

JoVE Journal - Neuroscience
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Ultrasound Localization Microscopy for Super-Resolution Mapping of the Rodent Brain Microvasculature

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2025

Ultrasound Localization Microscopy (ULM) is a recently developed technique that allows for an unprecedented level of resolution in imaging the microvasculature in vivo. In this work, we describe in detail how to obtain super-resolved images of the brain microvasculature in rodents using a standardized functional ultrasound imaging platform designed for preclinical research.

Education

JoVE Science Education - Clinical Skills

Peripheral Intravenous Catheter Insertion

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2023

Source: Madeline Lassche, MSNEd, RN and Katie Baraki, MSN, RN, College of Nursing, University of Utah, UT The purpose of peripheral intravenous catheter (PIV) insertion is to infuse medications, perform intravenous (IV) fluid therapy, or inject radioactive tracers for special examination procedures. Placing a PIV is an invasive procedure and requires the use of an aseptic, no-touch technique. Common IV venipuncture sites are the arms and hands in adults and the feet in children. According to...

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