Compact and user-friendly ultrasound acquisition systems optimized for field recording

Specht, Raimund

doi:10.1590/s0001-37652004000200040

An. Acad. Bras. Ciênc.

2004

DOI: 10.1590/s0001-37652004000200040

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Compact and user-friendly ultrasound acquisition systems optimized for field recording

Raimund Specht¹

Abstract: A compact and rugged hardware interface for laptop-based ultrasound recording in the field has been developed. The versatile devices overcome the limitations and drawbacks of previously available solutions. The accompanying recording software enables flexible hard disk recording for both manual and automated operation.

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2013

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Automating ultrasonic vocalization analyses: The WAAVES program

Reno

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Cormack

et al. 2013

Journal of Neuroscience Methods

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Background Human emotion is a crucial component of drug abuse and addiction. Ultrasonic vocalizations (USVs) elicited by rodents are a highly translational animal model of emotion in drug abuse studies. A major roadblock to comprehensive use of USV data is the overwhelming burden to attain accurate USV assessment in a timely manner. One of the most accurate methods of analyzing USVs, human auditory detection with simultaneous spectrogram inspection, requires USV sound files to be played back 4% normal speed. New Method WAAVES (WAV-file Automated Analysis of Vocalizations Environment Specific) is an automated USV assessment program utilizing MATLAB’s Signal and Image Processing Toolboxes in conjunction with a series of customized filters to separate USV calls from background noise, and accurately tabulate and categorize USVs as flat or frequency-modulated (FM) calls. In the current report, WAAVES functionality is demonstrated by USV analyses of cocaine self-administration data collected over 10 daily sessions. Results WAAVES counts are significantly correlated with human auditory counts (r(48)=0.9925; p<0.001). Statistical analyses used WAAVES output to examine individual differences in USV responses to cocaine, cocaine-associated cues and relationships between USVs, cocaine intake and locomotor activity. Comparison with Existing Method WAAVES output is highly accurate and provides tabulated data in approximately 0.4% of the time required when using human auditory detection methods. Conclusions The development of a customized USV analysis program, such as WAAVES streamlines USV assessment and enhances the ability to utilize USVs as a tool to advance drug abuse research and ultimately develop effective treatments.

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Automating ultrasonic vocalization analyses: The WAAVES program

Reno

Marker

Cormack

et al. 2013

Journal of Neuroscience Methods

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show abstract

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Compact and user-friendly ultrasound acquisition systems optimized for field recording

Cited by 1 publication

References 3 publications

Automating ultrasonic vocalization analyses: The WAAVES program

Automating ultrasonic vocalization analyses: The WAAVES program

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