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Figure 2 | Molecular Autism

Figure 2

From: Reduced isolation-induced pup ultrasonic communication in mouse pups lacking brain serotonin

Figure 2

Distribution of individual isolation-induced ultrasonic vocalizations (USV) in Tph2 -/- mouse pups emitted at postnatal day (PND) 6. Density plots depicting the distribution of individual isolation-induced USV depending on call peak frequency in kilohertz (kHz) and call peak amplitude in decibel (dB) in Tph2 wildtype (Tph2 +/+) control mice (A) and Tph2 null mutant (Tph2 -/-) mice (B), with color coding reflecting frequencies as percentages. Frequency histograms depicting the distribution of individual USV depending on call peak frequency in kilohertz (kHz) (C) and call peak amplitude in decibel (dB) (D) in percentages, with isolation-induced USV emitted by Tph2 wildtype (Tph2 +/+) control mice (black area) and Tph2 null mutant (Tph2 -/-) mice (grey area).

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