<p><img width="150" height="150" src="https://sqpn.com/wp-content/uploads/2026/09/SCI107-post-150x150.png" class="attachment-thumbnail size-thumbnail wp-post-image" alt="" decoding="async" />Smile at your dog, and its brain may register a reward. Caroline Knight, Lindsay Sant, and Lino Saubolle unpack a new brain-scan study showing dogs' brains separate happy faces from sad, fearful, and angry ones.</p>
<p>The post <a href="https://sqpn.com/2026/09/your-smile-lights-up-your-dogs-brain/">Your Smile Lights Up Your Dog&#8217;s Brain</a> appeared first on <a href="https://sqpn.com">StarQuest Media</a>.</p>
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Your Smile Lights Up Your Dog’s Brain

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