Hello again everyone, I have another question.

Background on the dog:
Border Collie/Husky
2 years old
70lbs
I rescued him about 4 months ago. He was taken off a farm where he was tied outside since he was a pup.

Ok, here's my dilema. I noticed in the first few days I had him that he has a fascination with shadow and lights. I found out about the lights by using a flashlight one day to find something and he went nuts. And no, I DO NOT play with him by using the flashlight. But his fascination doesn't stop there. I open the fridge at night and he's right at the back wall tracking the light on the wall. Same with the microwave door, I open it and when the light hits it just right there's a glimmer on the back wall, and he's on it. If he see's a shadow on the floor that moves, like my hand when I go to answer the phone if I am sitting on the couch, he's on it. When were in the park he chases the shadow of the birds on the ground, and I mean chases them. I was outside doing gardening this weekend and he doesn't sit still, he is constantly standing watching the ground for shadows and chasing them on the ground. Even when I put him in a downstay he's always tensed up. I watch him and I can physically see his body tense up when he sees a shadow and tried to break the stay, but I correct him.
My question...is there something that I can do to break his fascination with this? I don't encourage it at all. And the only thing I can think of is that since he was neglected on the farm and tied up all day and night, probably the only thing he could do to amuse himself was to chase the shadows on the ground.
Can this habit he has be changed? Or is it just something I should learn to live with.
He is exercised for an hour each day, walk to the park with Obedience training on the way, 20 minutes of chasing the ball, then walk back home with more obedience on the way.
Does anyone have any suggestions as to what I can do, or does he just have this OCD i keep hearing people talk about when they mention dogs that chase flashlight beams??
Any help???

A BC/husky mix sounds like a ball of neverending energy. Is there any chance you can jog with him or bike with him (I see he's 20 months, you should ensure he's fully mature before starting an intensive exercise like formal running)? Maybe get into agility? He may be getting adequate exercise now but probably not enough to really tire him out. If he's tired after his outings, he likely won't care about chasing lights and shadows. How intensive is the obedience? If you really work his mind, he'll be especially worn out.

Is there a club near you where you can try him out at herding? That may be just the ticket for his energy and focus.

Edit, sorry, I don't know where I got the "20 months old" thing... if he's two years old, he should be fully mature for running and jumping.

Cesar Milan has a great episode out on a dog that was obsessed with chasing lights/shadows. I will have to go home and run throught the TIVO and get the name of the dog and the episode (unless someone else remembers) and send it to you. It is a correctable issue.

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Cesar Milan has a great episode out on a dog that was obsessed with chasing lights/shadows. I will have to go home and run throught the TIVO and get the name of the dog and the episode (unless someone else remembers) and send it to you. It is a correctable issue.

That would be great. Its not really that much of a pain, and if it was something i had to live with it would be fine.
I just didn't know if it was too late. When i first got him he used to chase his tail when he was excited too, but i got him to stop doing that.
I do believe i exercise him enough, he is tuckered out when we get home. But we were out in the garden in the afternoon, he hadn't had his walk yet. He stopped when I threw the ball for him, but i guess that was just distracting him for the moment. But if I can correct the behaviour, I would like to.