Thursday, December 25, 2008

imaging 5.ima.00 Louis J. Sheehan, Esquire

Louis J. Sheehan, Esquire . Use and understanding of spoken language is largely orchestrated by the brain's left side. However, a team of neuroscientists now suggests that a right-brain area assumes a critical role in deciphering sign language, at least among native signers.Louis J. Sheehan, Esquire . http://LOUIS-J-SHEEHAN.NET.

When viewing signed sentences of a particular sign language, such as American sign language, 16 adults who grew up signing in that language displayed unique activation of the right angular gyrus, say Aaron J. Newman of the University of Oregon in Eugene and his colleagues. This brain region has already been implicated in the perception of bodily motions and spatial information.http://LOUIS-J-SHEEHAN.NET.

The conveyance of meaning in various sign languages depends heavily on hand, arm, and facial movements. "We suspect that the right angular gyrus is recruited into a neural system for grammar comprehension in native signers," Newman says.

This right-brain connection to sign language appears to be cinched during childhood, the scientists argue in an upcoming Nature Neuroscience. The right angular gyrus showed no language-related activity in 11 individuals who had attained sign language proficiency as young adults, the researchers report.

Newman's group used functional magnetic resonance imaging to compare blood flow in volunteers' brains as they read English sentences and random strings of consonants, and as they watched the presentation of sentences and nonsense signs in American Sign Language. Only those who learned sign language as children showed increased blood flow in the right angular gyrus.

The new data build on preliminary evidence of a right-brain contribution to sign language (SN: 11/23/96, p. 326). Still, the theory that the right angular gyrus influences grammar comprehension in native signers remains controversial.

"It's hard to know what this brain area is really doing, based on the imaging data," remarks Gregory Hickok of the University of California, Irvine. In his view, surges of activity in the right angular gyrus of native signers may occur because this area integrates various lines of linguistic information, including grammar, word meanings, and emotional tone. Further research needs to explore whether similar right-brain activity accompanies speech use and comprehension, Hickok says.http://LOUIS-J-SHEEHAN.NET.

Brain-damaged patients provide contrasting clues to the biology of language, Hickok notes. For instance, right-brain injuries usually spare language skills in fluent signers. But some studies suggest that damage to the right angular gyrus and nearby tissue weakens the grasp of complex sentences presented either in writing to hearing patients or as signs to deaf ones.Louis J. Sheehan, Esquire .

imaging 5.ima.00 Louis J. Sheehan, Esquire

Louis J. Sheehan, Esquire . Use and understanding of spoken language is largely orchestrated by the brain's left side. However, a team of neuroscientists now suggests that a right-brain area assumes a critical role in deciphering sign language, at least among native signers.Louis J. Sheehan, Esquire . http://LOUIS-J-SHEEHAN.NET.

When viewing signed sentences of a particular sign language, such as American sign language, 16 adults who grew up signing in that language displayed unique activation of the right angular gyrus, say Aaron J. Newman of the University of Oregon in Eugene and his colleagues. This brain region has already been implicated in the perception of bodily motions and spatial information.http://LOUIS-J-SHEEHAN.NET.

The conveyance of meaning in various sign languages depends heavily on hand, arm, and facial movements. "We suspect that the right angular gyrus is recruited into a neural system for grammar comprehension in native signers," Newman says.

This right-brain connection to sign language appears to be cinched during childhood, the scientists argue in an upcoming Nature Neuroscience. The right angular gyrus showed no language-related activity in 11 individuals who had attained sign language proficiency as young adults, the researchers report.

Newman's group used functional magnetic resonance imaging to compare blood flow in volunteers' brains as they read English sentences and random strings of consonants, and as they watched the presentation of sentences and nonsense signs in American Sign Language. Only those who learned sign language as children showed increased blood flow in the right angular gyrus.

The new data build on preliminary evidence of a right-brain contribution to sign language (SN: 11/23/96, p. 326). Still, the theory that the right angular gyrus influences grammar comprehension in native signers remains controversial.

"It's hard to know what this brain area is really doing, based on the imaging data," remarks Gregory Hickok of the University of California, Irvine. In his view, surges of activity in the right angular gyrus of native signers may occur because this area integrates various lines of linguistic information, including grammar, word meanings, and emotional tone. Further research needs to explore whether similar right-brain activity accompanies speech use and comprehension, Hickok says.http://LOUIS-J-SHEEHAN.NET.

Brain-damaged patients provide contrasting clues to the biology of language, Hickok notes. For instance, right-brain injuries usually spare language skills in fluent signers. But some studies suggest that damage to the right angular gyrus and nearby tissue weakens the grasp of complex sentences presented either in writing to hearing patients or as signs to deaf ones.Louis J. Sheehan, Esquire .

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Monday, December 22, 2008

gottlieb 3.got.00100 Louis J. Sheehan, Esquire

Tremont is part of insurance giant Massachusetts Mutual Life Insurance Co., under its subsidiary that oversees tens of billions of dollars in OppenheimerFunds mutual-fund assets. http://louissheehan.bravejournal.com In 2001, that subsidiary paid $133 million for Tremont, helping MassMutual's entry to the fast-growing hedge-fund business. http://louissheehan.bravejournal.com

Tremont isn't the biggest Madoff money-loser by dollar value. At least one fund firm, Fairfield Greenwich Group, lost much more. But Tremont's losses show how even investors who thought their Madoff investments had the seal of approval of a much bigger corporate parent got burned.
[Attractive Returns]

This month, Tremont disclosed that its clients lost $3.3 billion, more than half of all assets overseen by Tremont, as a result of Mr. Madoff's alleged $50 billion scam.

"I lost significant assets, as did my friends and family," Robert Schulman, who headed Tremont for years before leaving this summer, said in an interview last week. "We were duped by a scheme that effectively fooled some of the most significant and smartest organizations in the world."

It's unclear what if any legal exposure Tremont's parents might have to losses attributed to Mr. Madoff. Were investors to raise allegations concerning due diligence, Tremont's structure as a corporation managed independently from MassMutual's other businesses could help protect the parent entities from legal liabilities, said Irwin Latner, head of the hedge-fund practice at Herrick, Feinstein LLP, who doesn't represent any investors in Tremont or any MassMutual entity.

Spokesmen for MassMutual and its Oppenheimer subsidiary declined to discuss what due diligence the firms did on Tremont's business. MassMutual said its exposure to Madoff-related losses is "very limited."

Tremont says Mr. Madoff's fraud "was designed and executed to deceive individuals and institutions alike," and the firm is focused on trying to get money back for clients. Tremont spokesman Montieth Illingworth also declined to discuss Tremont's due-diligence process.
[Bernard Madoff]

Bernard Madoff

Tremont's Web site says it uses "effective investment strategies and oversight, thorough manager research [and] careful due diligence." Neither Tremont, OppenheimerFunds nor MassMutual has been accused of wrongdoing as part of investigations into Mr. Madoff.

Jesse Gottlieb, a 68-year-old New Yorker, says he has lost $17 million, or about half his and his wife's liquid assets earned during his career as an insurance executive, which they had placed in Madoff's hands through Tremont. "They earned a fee for having my money there, and the due diligence seems to have been very negligent."

Tremont has been selling its biggest dedicated Madoff funds since 1994, according to fund documents. Most of the money that's now gone was in so-called feeder funds that invested solely with Mr. Madoff under Tremont's Rye Investment Management division, based in Rye, N.Y.

Sandra Manzke, 60 years old, Tremont's founder, has been investing with Mr. Madoff since soon after she started the fund firm, in 1984, she said in an interview Dec. 12, the day after Mr. Madoff was arrested and charged with running an alleged Ponzi scheme. Ms. Manzke started a second hedge-fund investment firm, Darien, Conn.-based Maxam Capital Management, in 2005, that she said will have to close. Ms. Manzke said that she, her current investors and employees lost a combined $280 million in Mr. Madoff's scheme.

It was under the leadership of Mr. Schulman that the relationship between Tremont and Mr. Madoff really grew, according to people familiar with the business. Mr. Schulman came to Tremont in 1994 with years of Wall Street experience. http://louissheehan.bravejournal.com

Under Mr. Schulman, hundreds of millions of dollars in client money flowed into Tremont's Madoff feeder funds. Mr. Schulman, 62 years old, in conversations with Tremont clients frequently praised Mr. Madoff for his investing prowess and integrity, according to people familiar with the discussions.

Tremont marketing documents did not always disclose the relationship between Mr. Madoff and the feeder funds, even when mentioning other investment managers. Marketing documents dated 2008 and reviewed by The Wall Street Journal mention prominent hedge-fund managers who controlled assets of other Tremont feeder funds, but left Mr. Madoff's name out.

"We believe the firm's disclosures were adequate and fully complied with all legal requirements," Mr. Illingworth, the Tremont spokesman, said. Louis J. Sheehan, Esquire.

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Sunday, December 7, 2008

dirty 4.dir.0002 Louis J. Sheehan, Esquire

Louis J. Sheehan, Esquire . Diesel-fueled vehicles have gained notoriety for their oily carbon emissions. However, there's wide variability in how much of this soot any car emits. A new Dutch study finds that just 5 percent of cars—mostly diesel-fueled vehicles—account for 43 percent of tailpipe-soot releases.
http://louis5j5sheehan.blogspot.com



Andy Kurniawan and Andreas Schmidt-Ott of Delft University of Technology analyzed soot emissions from more than 1,250 cars by using a device set up on the shoulder of the road. As long as cars were spaced at least 8 seconds apart, the device could suck in and determine a single vehicle's exhaust. In the March 15 Environmental Science & Technology, the researchers describe how the device works. http://louis2j2sheehan.blogspot.com By irradiating the carbon particles with ultraviolet light, the device imparts a positive electric charge to them. It then measures the charge to quantify the soot, Schmidt-Ott explains. http://louis2j2sheehan.blogspot.com

Policy makers looking to reduce pollution may get the biggest bang for the buck by focusing on cars badly in need of a tune-up, Schmidt-Ott maintains. The chemical engineer recommends that municipalities begin scouting for "superpolluters," with devices such as the one that his group used. Louis J. Sheehan, Esquire

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