Grande, 25, shared the photo Thursday on her Instagram Stories.
One image captioned as a healthy brain appeared dark.
Ariana has spoken openly in the past about suffering from PTSD and anxiety following the terrorist attack at the end of her concert in Manchester.
The Boca Raton pop singer shared brain scans to highlight how her brain has been affected by the terrorist act at her London concert two years ago that killed almost two dozen people. Despite the image being in black and white, you can clearly see Grande's brain scan and the multitude of highlighted areas it has which is nearly double the amount of what she previously shared. The image compared a healthy brain, a brain with PTSD and her brain.
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Describing the results as "hilarious and terrifying" Ariana reminded her loyal fans the effects of post traumatic stress disorder are "not a joke".
She was diagnosed with PTSD a few months after a man walked into the Manchester Arena and detonated a bomb which killed 22 people and injured many more. It looks like the singer wants to use her voice to bring awareness towards mental health problems such as depression and PTSD.
She went on to say, "I've always had anxiety".
When asked if the dizziness and the anxiety she had been experiencing after the bombing were signs of PTSD, she said: 'I hate...admitting it but it very much is.
One fan wrote on Instagram: "Your strength gives us strength".