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FPIN's Clinical Inquiries: evaluation of elevated serum transaminase levels.
Am Fam Physician
October 2012
Mayo Clinic, Scottsdale, AZ, USA.
Acute respiratory tract infection: a practice examines its antibiotic prescribing habits.
J Fam Pract
June 2012
Department of Family Medicine, Mayo Clinic, Scottsdale, AZ 85260, USA.
Purpose: We wanted to better understand our practice behaviors by measuring antibiotic prescribing patterns for acute respiratory tract infections (ARTIs), which would perhaps help us delineate goals for quality improvement interventions. We determined (1) the distribution of ARTI final diagnoses in our practice, (2) the frequency and types of antibiotics prescribed, and (3) the factors associated with antibiotic prescribing for patients with ARTI.
Methods: We looked at office visits for adults with ARTI symptoms that occurred between December 14, 2009, and March 4, 2010.
Responses to the purr call in three areas of the guinea pig auditory cortex.
Neuroreport
December 2005
MRC Institute of Hearing Research, University Park, Nottingham, UK.
Single electrodes were used to record from anaesthetized animals stimulated with a closed sound system. Neural responses to the purr call were very different in the dorsocaudal core field and in two long-latency belt areas, the ventrorostral belt and the dorsocaudal belt. Responses in the dorsocaudal core field were accurately timed to the start of the nine rhythmic pulses within the purr while the ventrorostral belt responses were more sustained and less temporally precise and most dorsocaudal belt units did not respond.
View Article and Find Full Text PDFEncoding of learned importance of sound by magnitude of representational area in primary auditory cortex.
Proc Natl Acad Sci U S A
September 2005
Center for the Neurobiology of Learning and Memory, University of California, Irvine, CA 92697-3800, USA.
We hypothesized that learning-induced representational expansion in the primary auditory cortex (AI) directly encodes the degree of behavioral importance of a sound. Rats trained on an operant auditory conditioning task were variably motivated to the conditioned stimulus (CS) through different levels of water deprivation. Mean performance values correlated with deprivation level, validating them as a measure of the overall control and, therefore, behavioral importance of the CS.
View Article and Find Full Text PDFCharacterisation of multiple physiological fields within the anatomical core of rat auditory cortex.
Hear Res
July 2003
Department of Neurobiology and Behavior, Center for the Neurobiology of Learning and Memory, University of California, Irvine, CA 92697, USA.
The organisation and response properties of the rat auditory cortex were investigated with single and multi-unit electrophysiological recording. Two tonotopically organised 'core' fields, i.e.
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