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We start building our sense of people's personalities from the first words they utter. Phil McAleer, of the University of Glasgow, ran an experiment where he recorded 64 people, men and women, from Glasgow, reading a paragraph that included the word "hello." He then extracted all the hellos and got 320 participants to listen to the different voices and rate them on 10 different personality traits, such as trustworthiness, aggressiveness, confidence, dominance and warmth. Interestingly, participants largely agreed on which voice matched which personality trait. One male voice was overwhelmingly voted the least trustworthy. The pitch of the untrustworthy voice was much lower than the male deemed most trustworthy. McAleer says this is probably because a higher pitched male voice is closer to the natural pitch of a female, making the men sound less aggressive and friendlier than the lower male voices. What makes females sound more trustworthy is whether their voices rise or fall at the end of the word, says McAleer. "Probably the trustworthy female, when she drops her voice at the end, is showing a degree of certainty and so can be trusted." (Perhaps a reason to avoid uptalk, if you're female?)

This study shows the science behind first impressions, and how certain voices can affect first impressions.

This article by Candice Jalili on Time discusses the body language people tend to have when lying. Everyone can lie, in fact, the average American tells one to two lies each day. It explains how to detect honesty in a conversation, including where their eyes go and how their voice sounds. When someone is lying, they are likely uncomfortable, so they may fidget or have frequent voice cracks. Doctors from the healthcare community provide input on signs people display when lying. The main sections of this article are body cues, facial cues, tone of voice, and content of speech. Body cues include hand movement and itching/fidgeting. Facial cues are eye movement, mouth position, change in complexion, and sweating. The section on tone of voice consists of a high pitched voice and changes in volume while speaking. Lastly, content of speech includes phrases people use, filler words, and slip-ups.

Choosing a voice has implications for design, branding or interacting with machines. A voice can change or harden how we see each other. Research suggests that users prefer a younger, female voice for their digital personal assistant. We don't just need that computerized voice to meet our expectations, said Justine Cassell, a professor at Carnegie Mellon's Human-Computer Interaction Institute. We need computers to relate to us and put us at ease when performing a task. "We have to know that the other is enough like us that it will run our program correctly," she said. That need seems to start young. Ms. Cassell has designed an avatar of indeterminate race and gender for 5-year-olds. "The girls think it's a girl, and the boys think it's a boy," she said. "Children of color think it's of color, Caucasians think it's Caucasian." Another system Cassell built spoke in what she termed "vernacular" to African-American children, achieving better results in teaching scientific concepts than when the computer spoke in standard English. When tutoring the children in a class presentation, however, "we wanted it to practice with them in 'proper English.' Standard American English is still the code of power, so we needed to develop an agent that would train them in code switching," she said. And, of course, there are regional issues to consider when creating a robotic voice. Many companies, such as Apple, have tweaked robotic voices for localized accents and jokes.

The human voice appears to trigger pleasure circuits in the brains of typical kids, but not children with autism, a Stanford University team reports. The finding could explain why many children with autism seem indifferent to spoken words. The Stanford team used functional MRI to compare the brains of 20 children who had autism spectrum disorders and 19 typical kids. In typical kids there was a strong connection between areas that respond to the human voice and areas that release the feel-good chemical dopamine, but that connection was reduced in autistic children. Connections between voice areas and areas involved in emotion-related learning also were weaker, creating greater communication difficulties. The new study's suggestion that motivation is the problem could explain why speech often comes late to children with autism even though the brain circuit involved in processing spoken words seems to function normally; the reward circuitry isn't working the way it does in typical children.

When driving, don't talk to your car - or your phone. That's the underlying message of new neuroscience published Thursday that raises new questions about the safety of voice-activated technology in many new cars. The technology, heralded by many automakers, allows consumers to interact with their phones and their cars by issuing voice commands, rather than pushing buttons on the dashboard or phone. However, research found that the most complicated voice-activated systems, and the vocal and auditory tasks associated with them, can take a motorist's mind off the road for as long as 27 seconds after he or she stops interacting with the system. Even less complex systems can leave the driver distracted for 15 seconds after a motorist disengages. See the article for an embedded .pdf of the full study. But good news: apparently listening to the radio or audiobooks don't pose much distraction.

It's hard to imagine a more devastating diagnosis than ALS, also called Lou Gehrig's disease. For most people, it means their nervous system is going to deteriorate until their body is completely immobile. That also means they'll lose their ability to speak. Voice banking, a digital technology, allows ALS patients to record their voice and key messages in preparation for that time.

About the Author Dr. Reena Gupta is the Director of the Voice and Swallowing Center at OHNI. Dr. Gupta has devoted her practice to the care of patients with voice and swallowing problems. She is board certified in otolaryngology and laryngology and fellowship trained in laryngology, specializing in the care of the professional voice.

Just having a feminine voice means you're probably not as capable at your job. At least, studies suggest, that's what many people in the United States think. There's a gender bias in how Americans perceive feminine voices: as insecure, less competent and less trustworthy.

There are many ways that we can express our identities. We can alter the way we look, the things we're interested in, the way we dress. But one thing we're pretty much stuck with is our voice. Sure the words coming from our mouths can be tailored to a situation or a desired persona, but the actual sound of our voice is difficult to change. For writer David Thorpe, the sound of his own voice always had him contemplating the same question: "Do I sound gay?" However, his wasn't simply an inquisitive statement; it was an expression of dissatisfaction that he had a gay voice, even though he was openly gay. Using his own struggle with his identity as the common thread, he consults linguists who illuminate the mechanical traits of gay speech and attribute this common characteristic to a strong feminine influence in the early lives of gay men.

It's not just what you say, it's the way that you say it. The sound of our voices, including its pitch, accent and inflection, has all sorts of subtle effects on how we are perceived by other people. This article lists 10 ways that our voices influence others' conception of us and provides links to the relevant studies.

"Psychology researchers at Britain's University of Nottingham wanted to know whether the voice that reads in our heads matches the voice that we read aloud in. In other words, does your internal monologue have an accent? ... you can't just ask people how they pronounce words in their heads. ... In order to get around that problem, the Nottingham researchers had subjects read limericks while carefully monitoring their eye movements. ... The subjects read the limericks silently to themselves. But when they got to rhymes that didn't make sense with their spoken accent, there was a distinct disruption in eye movement. ... what we know about he author of the piece can influence how we read it. ... 'For example, it has been demonstrated that knowledge of the presumed author's speaking speed can influence how quickly people read aloud a passage of text.'" Full study: http://www.plosone.org/article/info:doi/10.1371/journal.pone.0025782

This article explores how dogs perceive human language and whether tone of voice matters. Through this experiment, it was discovered that dogs respond positively to a positive tone of voice and neutrally to a neutral tone of voice. However, if the dog was reprimanded in a positive tone of voice, the dog would perceive that as a praise. In terms of language evolution, it suggests that the ability to "process meaning and emotion in different parts of the brain and tie them together is not uniquely human."

This is from a Japanese television show (sort of like America's Got Talent). Sorry, there's no subtitles...but basically, this guy can sing with his mouth closed, and still produce a deep, full, and open sound. And what's even more amazing is he isn't singing in his own voice...he's imitating voices of famous Japanese singers. I thought this video was interesting because we just read an article on how humans produce sounds. I bet you phoneticians would like to study how his vocal tract works...

Does someone who was born with a hearing loss "hear" an inner voice? Several people who have experienced hearing loss have contributed to the discussion, and their responses make fascinating reading. First, why is the question of interest?

One thing that can get in the way of your social success is when you have a soft or quiet speaking voice. This article will cover the effects of having a quiet voice, the factors that can cause it, and what you can do if it affects you

This article talks about the combined efforts of a team of academics in reconstructing the voice of an Ancient Egyptian priest. It's really interesting to see how linguists work to help figure out which tonal sounds Ancient Egyptian made, and how that would effect the voice of the Priest. It also brought me a question on the ethics of trying to bring someone "back to life" via their voice.

the micro-nuances of their speech patterns, and how voters, and viewers, hear them - can also provide a fascinating window into how we perceive authority and who occupies it. Women and men tend to have different speech patterns, linguists will tell you. Women, especially young women, tend to have more versatile intonation. They place more emphasis on certain words; they are playful with language and have shorter and thinner vocal cords, which produce a higher pitch. That isn't absolute, nor is it necessarily a bad thing - unless, of course, you are a person with a higher pitch trying to present yourself with some kind of authority. A 2012 study published in PLoS ONE found that both men and women prefer male and female leaders who have lower-pitched voices, while a 2015 report in a journal called Political Psychology determined, in a sample of U.S. adults, that Americans prefer political candidates with lower voices as well. Lower voices do carry better, so that's not entirely without basis, said the linguist Deborah Tannen.

Page 2 of 3 "You just don't listen!" Why do people say 'like' every other word? Isn't 'innit' ungrammatical? Why do people say 'like' when it doesn't mean anything? "I'm, like, really happy that you've come to, like, find out about 'like'. Like, I thought you might not, like, bother.

What our speech reveals about us