Molly Ingham has forgotten the words to her favourite Disney songs after being diagnosed with dementia at the age of 11.

She was a “perfectly healthy” child until she turned six when she began having seizures and started losing her eyesight, memory and mobility.

And now she has been diagnosed with Batten disease, a rare form of childhood dementia.

The youngster – who used to know “every word to every Disney song’ – can no longer sing any of them.

And she “can’t even string a sentence together’, said her heartbroken mum Adele.

Molly is now confined to a wheelchair to stop her falling over because her balance is so poor.

Adele, 39, of Stalybridge, Greater Manchester, said: “It’s been devastating to watch the most outgoing little girl that could do everything every other six-year-old could do go into this situation.

Adele is hoping to take Molly to the US for gene therapy

“It’s soul destroying.”

"It affects short term memory so she won’t take in new things.

"There’s a lot of confusion.

"She says she wants to go home when we’re already at home.

Batten disease is a rare form of childhood dementia

"She used to know every word to every Disney song now she can’t even string a sentence together.

"She can’t see anymore.

Molly’s condition first materialised at school, where teachers spotted she would not know how to jump through a hula hoop in PE despite watching 20 classmates do it.

Molly used to ride scooters, now she uses a wheelchair

She could not remember school friends’ names and stopped following instructions.

A paediatrician thought she had ADHD and a low IQ.

Adele is now hoping to take Molly for gene therapy treatment in the US which may improve her quality of life. “There’s still hope,” she said.