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![two](/_static/fda547da792b8cafa96052dcfc385c9720fade1f9f31547c414d8a139fea0a89bc7b43c4e8f310943df4aecdb1de1463/app-page-screenshot-2.png)
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Do more of what makes you happy
The Matter app can help you understand your positive emotions and the neurotransmitters that create them — so you can do more of what makes you feel good.
![](/_static/cabf366ab34d1273290a068d23b8249d5b9d19546edd842551ba9ce0caa16d85c042c1ab2baf4b024d81a79774c26735/app-page-header-background.png)
It all begins with dopamine.
Learn more about Matter.
The Matter app can help you understand your positive emotions and the neurotransmitters that create them — so you can do more of what makes you feel good.
Learn more about Matter.