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Videos That Depict External and Internal Inhibition of Speech

I came across two interesting videos on YouTube today that show overt manifestations of the inhibition of speech that accompanies stuttering behavior.

The first shows the response of a fluent person’s speech to a magnetic pulse applied to his left brain hemisphere that disables the speech mechanism (causing eye flickering and stuttering-like speech) and then […]

Effect of False Body Maps on Stuttering Development

Loss of awareness of stuttering events is a well-known phenomenon to which any stutterer who has viewed a video recording of his own speech can attest. An extreme manifestation is “le petite mort,” a name given by Van Riper to the actual loss of consciousness that can occur in severe stuttering. (I remember my own […]

Feeling the Loss of Speech Control

Greg has a really interesting concept on Stuttering.Me: the notion that “stuttered speech is nothing more than a reflexive behavior that the body uses to deal with the stuttering phenomenon (which is best represented as a neurological state).” If the neurological state includes the disconnection of speech control (and sometimes the awareness of this loss […]

Why Real Research in Stuttering Brain States is Needed

Until real research that considers the role of emotions and conditioning in stuttering is performed by credible researchers, these key elements of stuttering will remain in the hands of “cognitive therapists” who promise that they can help stutterers “think their way out” of stuttering by changing the semantic evalutions of feelings that people have when […]

Space Vs. Time in Stuttering Therapy

One way of looking at overt stuttering behaviors is to see them as resulting from a reaction or defense against the unpleasant feeling of the speech void — the feeling that we know what we want to say, but can’t for the moment figure out how to make the sound. This is the actual speech […]

Fear Memory Erasure Redux

Now that I’ve had a chance to read the entire research article in Science (search “Han Selective Fear Erasure” in PubMed) I’m more convinced than ever that this research could — if a host of human application and potential subject safety issues are addressed — have application to detecting lateral amygdala (LA) activity associated with […]

LeDoux & the Amygdaloids

Came across this old blog from April 2008 showing Joseph LeDoux of NYU explaining some of the basic features of his research on the “emotional brain” and threat and fear conditioning, followed by a funky (and perhaps, to some ears, lame) rock song about wanting to take drugs to erase fear memories — something that […]

Fear Conditioning Erased in Mice

[Blogger note: The title of this post has been changed to more accurately reflect the subject of interest]

My friend John Paskievich sent me a link to a fascinating article in ScienceNOW.

The article describes a research study that demonstrated the selective erasure of fear memories in the lateral amygdala of mice, using a genetically […]