Name: determining ultrasonic vocalization preferences in mice using a two-choice playback test
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Este trabajo fue apoyado por una subvención-en-Ayudas a JSP becarios a AA; por subvenciones-en-Ayudas a la Investigación Científica en Áreas innovadoras para JSP Fellows (Nº 4501 y Nº 25132712) a los conocimientos tradicionales; y con una donación proyecto de investigación otorgado por la Universidad de Azabu. Figura 2 se reimprime de Kihara, T., Harada, T., y Koshida, fabricación y características de silicio nanocristalino inducidos térmicamente emisores de ultrasonido compatible con la oblea N.. En: Los sensores y actuadores A: físicas, volumen 125, Elsevier, p. 426, (2006), con permiso de Elsevier.

<html> Todos los procedimientos fueron aprobados por el Comité de Ética de la Universidad de Azabu. Todos los experimentos se llevaron a cabo en una cámara insonorizada. 1. Preparación Animal <ol><li> Machos para grabación <ol><li> Obtener ratones machos sexualmente maduros con experiencia en el apareamiento. </li></ol></li><li> Los sujetos femeninos <ol><li> Obtener ratones hembra virgen que han sido alojados con 2 a 5 compañeros de camada por jaula (generalmente 8 - 12 semanas de ed...

<ol>
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Here, the results of a representative test showed that female mice can discriminate between artificial male USVs and background noise (Figure 3). The conclusion to be drawn from these results is that the discrimination signal is reflected in the duration of stay in the room and sound zone, and in the duration of searching the mesh in the first 5 min of testing, but not in the second 5 min (Figure 3C, E and F). These data indicate that mice become habituated to the playback sounds, possib...

Muchos animales utilizan vocalizaciones para la comunicación intraespecífica. En el ratón Mus musculus, un tipo importante de la señal de comunicación es vocalizaciones ultrasónicas (USVs), que tienen frecuencias superiores a 20 kHz. USVs emitidos por los ratones se consideran un componente de reconocimiento social en hombre-mujer 1.4, hembra-hembra 1, 5 y macho-macho 1, 6 interacciones. USVs también son emitidos por los cachorros cuando están aislados de su madre, lo que aumenta su comportamiento cachorro-recuperación, y por lo tanto PUP supervivencia 7. Aunque muchos informes han analizado y categorizado USVs ratón 8, 9, las respuestas de comportamiento y mecanismos neurales del animal que recibe se han documentado menos 10, 11. Este último es necesario aclarar el significado biológico de las diversas características de USVs. Para revelar estos mecanismos, el experimento de reproducción es un método eficiente. Estudios recientes han revelado que la reproducción femeninaratones son atraídos a USVs 12, y que prefieren USVs de machos que son diferentes de sus padres 13, 14. En este artículo se explica la prueba de reproducción se utiliza para evaluar USV preferencia en ratones. Una caja de prueba de dos elección se desarrolló en el que dos USVs diferentes se pueden reproducir simultáneamente en dos compartimentos de un recinto de ensayo, como se muestra en la Figura 1. Este tipo de caja de prueba evita la contaminación sonora dividiendo el área de prueba en tres sub-cámaras , el uso de paredes de plomo. Los emisores de ultrasonidos se encuentran fuera de cada habitación. En la pared entre las habitaciones y emisores de ultrasonido son agujeros cubiertos con una malla de alambre. Los ratones pueden moverse libremente en las tres habitaciones, y muestran una &quot;búsqueda de la malla&quot; el comportamiento, como para responder a USVs reproducidas por los emisores de ultrasonido. En esta prueba, los ratones se mantienen durante períodos de diferente duración cerca de un emisor de sonido o el otro. Estos parámetros se pueden registrar para obtener un measu sensibles<html> re de la preferencia de sonido. Para reproducir los USVs espalda, emisores termo-acústico de silicio nanocristalino (es decir, &quot;nc-Si emisor&quot;) fueron utilizados como en estudios previos 15-17. Estos dispositivos se componen de un electrodo de película delgada calentador, una capa de silicio nano-poroso, y una oblea de silicio monocristalino. El archivo de sonido digital se convierte en una señal analógica y después se pasa a través del electrodo calefactor. El dispositivo convierte las señales térmicas dependientes de voltaje resultantes en presión sonora significativa con baja distorsión. Este dispositivo es único en que, a diferencia de los generadores de sonido comunes que dependen de las vibraciones mecánicas, se puede reproducir el sonido sin la necesidad de un diafragma. El emisor presenta un nivel de presión sonora plana en las frecuencias de 20 a 160 kHz (Figura 2), y puede reproducir USVs murinos grabados digitalmente con mucha precisión en cuanto a la duración, la frecuencia y el nivel de presión acústica 15, 18, ​​19. ve_content &quot;&gt; En un experimento representativo se muestra en la Figura 3, C57BL / 6 (B6) hembras se les permitió elegir entre BALB / c (BALB) USVs masculinos y ruido de fondo. Además, la Figura 4 muestra la elección de las hembras B6 y BALB entre reproducciones USV simultáneas desde un BALB y un macho B6, según ha informado en un estudio previo 14. Las características de USVs machos difieren entre B6 y BALB cepas 20. Como se muestra por estos resultados, el atractivo de USVs se puede evaluar con el presente Protocolo, en el que los sonidos se registran de un individuo vivo, acústicamente analizados, y se reproducen a otros individuos.

<table border="0" cellpadding="0" cellspacing="0">
	<tbody>
		<tr>
			<td>Soundproof chamber</td>
			<td>Muromachi Kikai</td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>Small cage</td>
			<td>CLEA Japan</td>
			<td>CL-0113-1</td>
			<td></td>
		</tr>
		<tr>
			<td>Middle cage</td>
			<td>CLEA Japan</td>
			<td>CL-0103-1</td>
			<td></td>
		</tr>
		<tr>
			<td>Ultrasound condenser microphones</td>
			<td>Avisoft Bioacoustics</td>
			<td>CM16/CMPA</td>
			<td></td>
		</tr>
		<tr>
			<td>A/D converter</td>
			<td>Avisoft Bioacoustics</td>
			<td>UltraSoundGate116H</td>
			<td></td>
		</tr>
		<tr>
			<td>Audio software</td>
			<td>Avisoft Bioacoustics</td>
			<td>RECORDER USGH</td>
			<td></td>
		</tr>
		<tr>
			<td>Adobe Audition 3.0 / Audio editing software</td>
			<td>Adobe Systems</td>
			<td>Adobe Audition 3.0</td>
			<td></td>
		</tr>
		<tr>
			<td>Nc-Si emitter</td>
			<td>Original</td>
			<td></td>
			<td>not commercially available but it is planned to be so in near future</td>
		</tr>
		<tr>
			<td>D/A converter</td>
			<td>National Instruments</td>
			<td>NI USB-6251 BNC</td>
			<td></td>
		</tr>
		<tr>
			<td>Attenuator</td>
			<td>Original</td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>Amplifier</td>
			<td>Yamatake</td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>PC</td>
			<td>Windows 7 professional</td>
			<td></td>
			<td>Intel&#174; core i7-2600K CPU @ 3.4GHz, 8GB RAM, 64-bit operating system</td>
		</tr>
		<tr>
			<td>Event recorder Excel-macro / Event-scoring software</td>
			<td>original</td>
			<td></td>
			<td>Programmed by Naoto Akagawa &#38; Takeru Yamamoto</td>
		</tr>
		<tr>
			<td>CCD Camera</td>
			<td></td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>Rubber plates (made of elastomer resin)</td>
			<td>Tokyo bouon</td>
			<td>TI-75BK B4</td>
			<td>Cut them to the proper size http://www.piano-bouon.jp/shopping/?pid=1329272401-447630&#38;ca=6&#38;p=3</td>
		</tr>
		<tr>
			<td>Giemsa&#39;s azur eosin methylene blue solution</td>
			<td>Merck Millipore</td>
			<td>1.09204.0500</td>
			<td></td>
		</tr>
	</tbody>
</table>

determining ultrasonic vocalization preferences in mice using a two-choice playback test

Mice emit ultrasonic vocalizations (USVs) during a variety of conditions, such as pup isolation and adult social interactions. These USVs differ with age, sex, condition, and genetic background of the emitting animal. Although many studies have characterized these differences, whether receiver mice can discriminate among objectively different USVs and show preferences for particular sound traits remains to be elucidated. To determine whether mice can discriminate between different characteristics of USVs, a playback experiment was developed recently, in which preference responses of mice to two different USVs could be evaluated in the form of a place preference.
First, USVs from mice were recorded. Then, the recorded USVs were edited, trimmed accordingly, and exported as stereophonic sound files. Next, the USV amplitudes generated by the two ultrasound emitters used in the experiment were adjusted to the same sound pressure level. Nanocrystalline silicon thermo-acoustic emitters were used to play the USVs back. Finally, to investigate the preference of subject mice to selected USVs, pairs of two differing USV signals were played back simultaneously in a two-choice test box. By repeatedly entering a defined zone near an ultrasound emitter and searching the wire mesh in front of the emitter, the mouse reveals its preference for one sound over another. This model allows comparing the attractiveness of the various features of mouse USVs, in various contexts.

Los USVs registran de una BALB-macho (161 sílabas por 20 sec), así como el ruido de fondo se usaron como la reproducción de sonidos en el experimento representativo se muestra en la Figura 3. En este experimento, se utilizaron 7 ratones B6 hembra a 9 semanas de edad . Para determinar la mejor duración de las pruebas de respuesta femenina para reproducir los sonidos, los parámetros de comportamiento se analizaron por separado para los primeros y últimos cinco min de la época total...

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Determining Ultrasonic Vocalization Preferences in Mice using a Two-choice Playback Test

Ultrasonic vocalizations (USVs) in mice differ depending on age, sex, condition, and genetic background. Using two ultrasound emitters broadcasting simultaneously in different locations, this two-choice test can evaluate murine recognition and preference responses to different characteristics of USVs.

La determinación de Preferencias ultrasónico Vocalización en ratones utilizando una prueba de reproducción de dos elección

Mice emit ultrasonic vocalizations (USVs) during a variety of conditions, such as pup isolation and adult social interactions. These USVs differ with age, ...

Research

JoVE Journal

Behavior

The Successive Alleys Test of Anxiety in Mice and Rats

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The plus-maze was derived from the early work of Montgomery. He observed that rats tended to avoid the open arms of a maze, preferring the enclosed ones.  ...

Investigación

Comportamiento

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In many situations humans are influenced by the behavior of other people and their relationships with them. For example, in stressful situations ...

Eliciting and Analyzing Male Mouse Ultrasonic Vocalization (USV) Songs

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Mice produce ultrasonic vocalizations (USVs) in a variety of social contexts throughout development and adulthood. These USVs are used for mother-pup ...

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The Monell two-series, forced-choice, paired-comparison tracking method provides a reliable measure of sweet taste preferences from childhood to ...

The Rodent Psychomotor Vigilance Test (rPVT): A Method for Assessing Neurobehavioral Performance in Rats and Mice

The Rodent Psychomotor Vigilance Test rPVT: A Method for Assessing Neurobehavioral Performance in Rats and Mice

La prueba de roedores psicomotor Vigilancia (rPVT): Un método para evaluar el rendimiento neuroconductual en ratas y ratones

The human Psychomotor Vigilance Test (PVT) is a widely used procedure for measuring changes in fatigue and sustained attention. The present article ...

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Prueba de reconocimiento de objeto novedoso para la investigación del aprendizaje y la memoria en ratones

The object recognition test (ORT) is a commonly used behavioral assay for the investigation of various aspects of learning and memory in mice. The ORT is ...

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The present protocol describes the Conditioned Place Preference (CPP) as a model of relapse in drug addiction. In this model, animals are first trained to ...

Assessment of Social Transmission of Food Preferences Behaviors

Evaluación de la transmisión Social de comportamientos de preferencias de alimentos

Olfactory recognition deficits are suggested to be able to serve as clinical marker to differentiate Alzheimer&#39;s disease (AD) subjects from healthy ...