CHAT

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CHAT

A gene on chromosome 10q11.2 that encodes choline acetyltransferase, which binds acetylCoA to choline, controlling acetylcholine production at the synapses of the autonomic nervous system, muscle and the sympathetic nervous system.

Molecular pathology
Polymorphisms of CHAT have been associated with choline acetyltransferase depletion in Alzheimer’s disease and cognitive impairment; CHAT mutations are associated with congenital myasthenic syndrome associated with episodic apnoea.
References in periodicals archive ?
Computer conferencing can provide intellectual ongoing discussion that allows the learner to participate in in-depth discussions by checking references, referring back to preceding topics, and taking any amount of time to prepare a detailed comment or argument.
Although the purpose of this study was not to compare learning outcomes or preferences in face-to-face versus computer conferencing formats, as more "traditional" face-to-face courses incorporate technological instructional delivery methods, the question of how best to respond to student preferences for one medium over another should be addressed.
By the time the faculty started using conferencing as a pedagogical tool, they had read several articles on computer conferencing.
For many of these options, technology facilitates the educational process: ITV, CV, the Internet, computer conferencing, telephone conferencing, E-mail, satellite up-link and down-link.
If we conservatively assume a group member costs the organization $15 per hour, and the average number PI group members is nine (based on the PI groups facilitated in this organization), then the cost savings from computer conferencing support would be $2,415.
Both Mary Flores (1990) and Cynthia Selfe (1990) have used computer conferencing to augment face-to-face feminist composition classes, and conclude that it is a vital resource for altering traditional communication patterns by extending access to all participants.
In one organization, the computer conferencing system led to such internal revolts and lack of concern with power/status issues that top management felt threatened and dismantled the entire system.
Finally, global computer conferencing is like the bulletin board at a local grocery store.
Network design: An operating manual for computer conferencing.
Communication theorists argue that these issues become particularly salient in novel communication environments such as asynchronous, text-based computer conferencing in which the communicative repertoire is limited to text.
In a review of research on computer conferencing, Rice et al.
Example: FIDO-NET COMPUTER CONFERENCING Structured electronic mail with a topical organization; may be real, time (now) or store-and-forward (posted).

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