what is the scientific reason behind why we stumble when we talk?

Answer 1

My brain is shooting out answers and words, quicker than I can speak or type. And people call me
motor mouth

Answer 2

because at the same time some cutie is walking down the street. Thus a 3rd element (walking, talking, staring) brings out of balance our sensory processing ...and we stumble!

If you do not believe this, try going to a remote place with a friend and go for a walk and a chat. You will soon realize that talking and walking is no problem when there are no intense visual distractions..

Answer 3

Because your mind is already on the next paragraph leaving your tounge to stumble along behind. We only use a smal precentage of our brain and look how smart some are, therefore our brain is bored waiting for the rest of our body and it moves on ahead. At least mine has a habit of doing that. :)

Answer 4

Stuttering, also known as stammering in the United Kingdom, is a speech disorder in which the flow of speech is disrupted by involuntary repetitions and prolongations of sounds, syllables, words or phrases; and involuntary silent pauses or blocks in which the stutterer is unable to produce sounds.

The term stuttering is most commonly associated with involuntary sound repetition, but it also encompasses the abnormal hesitation or pausing before speech, referred to by stutterers as blocks, and the prolongation of certain sounds, usually vowels. Much of what constitutes "stuttering" cannot be observed by the listener; this includes such things as sound and word fears, situational fears, anxiety, tension, self-pity, stress, shame, and a feeling of "loss of control" during speech. The emotional state of the individual who stutters in response to the stuttering often constitutes the most difficult aspect of the disorder. The term "stuttering", as popularly used, covers a wide spectrum of severity: it may encompass individuals with barely perceptible impediments, for whom the disorder is largely cosmetic, as well as others with extremely severe symptoms, for whom the problem can effectively prevent most oral communication.

No single, exclusive cause of stuttering is known. A variety of hypotheses and theories suggest multiple factors contributing to stuttering:

1) Stuttering has been correlated with certain genes.
2) Brain scans of adult stutterers have found several neurological abnormalities.
3) One study found that developmental stuttering and Tourette syndrome may be pathogenetically related and are exacerabated by stress.

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Answer 5

As we are talking, we are breathing out, which explains why we stumble. As we talk and walk, our brain is not getting enough oxygen for seconds at a time.

Answer 6

I agree with Deborah.

Often that happens with writing. My mind is often far ahead of my spelling, which leads to poor grammar and punctuation errors.