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Search Results for "Prefrontal Cortex And Shift Workers"

05:46 EDT 21st April 2014 | BioPortfolio

Original Source: Emergency medicine residents' use of psychostimulants and sedatives to aid in shift work.

OBJECTIVES: We evaluated the frequency that emergency medicine house staff report use of stimulants and sedatives to aid in shift work and circadian transitions. METHODS: We surveyed residents from 12 regional emergency medicine programs inviting them to complete a voluntary, anonymous electronic questionnaire regarding their use of stimulants and sedatives. RESULTS: Out of 485 eligible residents invited to participate in the survey, 226 responded (47% response frequency). The reported use of prescription s...

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The World Health Organization (WHO) definition of sexual health; "the state of physical, emotional, mental and social well-being related to sexuality; it is not merely the absence of disease, d...

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Childhood's end: ADHD, autism and schizophrenia tied to stronger inhibitory interactions in adolescent prefrontal cortex

(Medical Xpress)—Key cognitive functions such as working memory (which combines temporary storage and manipulation of information) and executive function (a set of mental processes that helps connec...

Medial prefrontal cortex linked to fear response

(Medical Xpress)—In a new paper published in the current issue of Neuron, Harvard Medical School researchers at McLean Hospital report that increased activity in the medial prefrontal cortex of the...

Hormone-replacement therapy may prevent age-related declines in cognitive functioning

Age-related cognitive decline and changes in the nervous system are closely linked, but up until recently, they were thought to result from the loss of neurons in areas such as the prefrontal cortex,...

Age-related cognitive decline linked to energy in synapses in prefrontal cortex

Age-related cognitive decline and changes in the nervous system are closely linked, but up until recently, they were thought to result from the loss of neurons in areas such as the prefrontal cortex,...

Bump attractor dynamics in prefrontal cortex explains behavioral precision in spatial working memory

The authors use monkey electrophysiology data to test a “bump attractor” computational model. Their findings reinforce persistent activity as a basis for spatial working memory, provide evidence f...

Neural mechanisms of dual-task interference and cognitive capacity limitation in the prefrontal cortex

Simultaneous performance of two tasks often leads to deficits in the component tasks, an effect thought to depend on the lateral prefrontal cortex (LPFC). Here, the authors recorded single-neuron acti...

Fear: Balancing memories

Fear extinction induces a shift in the balance of activity between 'fear neurons' and 'extinction neurons' in the basal amygdala, which project to prelimbic and infralimbic portions of the medial pref...

Medial Prefrontal Cortex Processes Threatening Stimuli in Juvenile Rats

Matching PubMed Articles

Prefrontal cortex volume reductions and tic inhibition are unrelated in uncomplicated GTS adults.

Tics in Gilles de la Tourette syndrome (GTS) are repetitive patterned movements, resembling spontaneous motor behaviour, but escaping voluntary control. Previous studies hypothesised relations between...

Sleep loss, circadian mismatch, and abnormalities in reorienting of attention in night workers with shift work disorder.

Permanent night-shift workers may develop shift-work disorder (SWD). In the current study, we evaluated neurophysiological and behavioral indices of distractibility across times prior to the night shi...

Differential Patterns of Prefrontal MEG Activation during Verbal & Visual Encoding and Retrieval.

The spatiotemporal profile of activation of the prefrontal cortex in verbal and non-verbal recognition memory was examined using magnetoencephalography (MEG). Sixteen neurologically healthy right-hand...

Historical cohort study of shift work and blood pressure.

BackgroundIt has been suggested that shift work (SW) is associated with changes in blood pressure (BP). However, studies have reported contradictory results.AimsTo prospectively examine the associatio...

Set shifting and reversal learning in borderline personality disorder.

People with BPD have been shown in some studies to have structural deficits in regions of the prefrontal cortex. A sensitive test of prefrontal cortex function is the intra-dimensional/extra-dimension...

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