[agentx505]

A gradual (from age 13 to age 15, or so) and slight loss of "eloquence," or one's ability to effectively and elegantly phrase his thoughts.

A slight feeling of mental "slowness" gradually increasing through the same period.

A slight increase, over those years, in general "clumsiness," especially in "sloppy" speech.

A slight (at least perceived) slowing in mental development as compared to the youth in question's peers and prior development.

Am I (15, male) merely a hypochondriac, or are these symptoms a harbinger of a serious neurological disorder? Thank you in advance.

[Junerain]

I had all those symptoms too, from the ages of nineteen through twenty-seven...

How is your day to day life, friendships, family, how is everything else going?

I do not want to scare you but I was diagnosed bipolar, you may not be, please write more about struggles and or lack of struggles?

[Christina86]

Not a clue unfortunately... my suggestion would be to talk to your doctor.

As for your language...

I can honestly say, I have never ever heard a 15 speak as well as you have in this post. I've also never seen the word "harbinger" used in a sentence before by anyone!

[Beholden]

It's interesting that you are tuned in to those 'symtoms'. And I'm sorry to say I also don't have a clue for you.

My suggestion is to talk with your parents, teacher, someone you trust to help direct you or a doctor.

Good luck and if you want, please keep us posted. You have beautiful vocabulary!

[silver_queen]

Depression can cause a slowdown in general cognitive function and can have an effect on speech too.

Or you may have nothing wrong and the fact that you are aware of a potential problem makes you hypercritical.

Try talking to somebody about it, but don't let them dismiss it either.