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fMRI Mental Maturity Scan Tracks Brain Development

By MedImaging International staff writers
Posted on 08 Oct 2010
Five minutes in a scanner can reveal how far a child's brain has come along the path from childhood to maturity and potentially provide insights on a range of psychologic and developmental disorders. Researchers emphasized that their study shows that brain-imaging data can offer more extensive help in tracking aberrant brain development.

"Pediatricians regularly plot where their patients are in terms of height, weight, and other measures, and then match these up to standardized curves that track typical developmental pathways,” remarked senior author Bradley Schlaggar, M.D., Ph.D., a pediatric neurologist at Washington University (St. Louis, MO, USA). "When the patient deviates too strongly from the standardized ranges or veers suddenly from one developmental path to another, the physician knows there's a need to start asking why.”

Dr. Schlaggar and his colleagues reported that a new way of looking at brain scanning data may be able to provide similar assistance for monitoring and treating of patients with psychiatric and developmental disorders. Dr. Schlaggar, an associate professor of neurology, noted that he has sent children with obvious, profound psychiatric conditions for MRI scans and received results marked "no abnormalities noted. That's typically looking at the data from a structural point of view what's different about the shapes of various brain regions. But MRI also offers ways to analyze how different parts of the brain work together functionally.”

Compare functional data to standardized models of how brain function or disease normally develops, Dr. Schlaggar noted, and a range of new clinical insights becomes available. He and his colleagues use an approach to brain scanning called resting state functional connectivity. By correlating increases and decreases in blood flow to the various brain regions as subjects rest in the scanner, scientists determine which of these regions work together in brain networks.

In a study published in 2009, Washington University scientists demonstrated that as the brain matures, these brain networks change. The overall organization switches from networks involving regions physically close to each other, which is the dominant theme in a child's brain, to networks that connect distant regions, the primary organizational principal in adult brains.

For the new study, lead author Nico Dosenbach, M.D., Ph.D., a pediatric neurology resident at St. Louis Children's Hospital (MO, USA), took this and other distinctions that indicate the transition from child to adult brain and modified them for use in a technique for mathematical analysis called a support vector machine.

The technique is employed in many contexts in science and economics and on the Internet. It is a way that mathematicians have developed for predicting something with high specificity and sensitivity when you have huge amounts of data instead of one really good measurement,” Dr. Dosenbach explained. "Any one of these measurements doesn't tell you much, but if you put them together and use the right math to sift through and restructure them, you can get good predictive results.”

Researchers charted the results of 238 brain maturity analyses, with age on the horizontal axis and maturity on the vertical axis. Dr. Dosenbach used data from five-minute functional MRI (fMRI) scans of 238 normal subjects ranging in age from 7 to 30. The support vector machine analyzed approximately 13,000 functional brain connections and selected the best 200 produce a single index of the maturity of each subject. The data allowed scientists to predict whether subjects were children or adults, and generally formed a curving line that tracks the path of normal functional brain development.

The researchers suspect patients with brain disorders will appear out of alignment with this normal developmental curve. "The beauty of this approach is that it lets you ask what's different in the way that children with autism, for example, are off the normal development curve versus the way children with attention-deficit disorder are off that curve,” Dr. Schlaggar said.

Dr. Schlaggar suggests that functional brain scans might be performed on a group of children at risk but not yet suffering from a developmental disorder. "When a fraction of them later develop that disorder, you can go back and construct an analysis like this one that will help predict the characteristics of the next child at highest risk of developing the disorder,” he stated. "That's very powerful both clinically and from the perspective of understanding the causes of these disorders.”

This approach might enable treatment prior to onset of symptoms, according to Dr. Schlaggar, and should help physicians more rapidly and closely track the results of clinical trials of new therapies. "MRI scans are expensive, so this may not be what we use for everyone right now,” Dr. Dosenbach concluded. "But many children with these types of disorders already receive regular structural MRI scans, and five more minutes in the scanner won't add that much to the cost.”

The study's findings were published September 10, 2010, in Science.

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St. Louis Children's Hospital

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86 (39.100646972656): SELECT show_live FROM jos_com_show_setting LIMIT 1
87 (77.962875366211): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294731468 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
88 (43.869018554688): SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294731468 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
89 (49.114227294922): SELECT id,name,title FROM jos_deeppockets WHERE cat=10 AND TYPE='file_folder' AND published=1 AND id != 294743300 AND id != 294743301 AND id != 294743302 AND id != 294743303 AND id != 294743304 AND id != 294743305 AND id != 294743306 AND id != 294743307 AND id != 294743308 AND id != 294743309 AND id != 294743310 AND metakey != 'aacc' ORDER BY `ordering`
90 (83.208084106445): SELECT show_live FROM jos_com_show_setting LIMIT 1
91 (45.061111450195): SELECT show_live FROM jos_com_show_setting LIMIT 1
92 (47.922134399414): SELECT show_live FROM jos_com_show_setting LIMIT 1
93 (41.007995605469): SELECT show_live FROM jos_com_show_setting LIMIT 1
94 (45.061111450195): SELECT show_live FROM jos_com_show_setting LIMIT 1
95 (39.100646972656): SELECT show_live FROM jos_com_show_setting LIMIT 1
96 (42.200088500977): SELECT show_live FROM jos_com_show_setting LIMIT 1
97 (38.14697265625): SELECT show_live FROM jos_com_show_setting LIMIT 1
98 (41.007995605469): SELECT show_live FROM jos_com_show_setting LIMIT 1
99 (37.908554077148): SELECT show_live FROM jos_com_show_setting LIMIT 1
100 (44.107437133789): SELECT show_live FROM jos_com_show_setting LIMIT 1
101 (37.908554077148): SELECT show_live FROM jos_com_show_setting LIMIT 1
102 (41.961669921875): SELECT show_live FROM jos_com_show_setting LIMIT 1
103 (36.954879760742): SELECT show_live FROM jos_com_show_setting LIMIT 1
104 (107.0499420166): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
105 (71.048736572266): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
106 (87.02278137207): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294731468 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
107 (75.101852416992): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets_archive as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294731468 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
108 (120.16296386719): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
109 (72.956085205078): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
110 (80.108642578125): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.id=294731468 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
111 (!!!!! 1000.8811950684): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets_archive as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.id=294731468 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
112 (!!!!! 1538.9919281006): SELECT dp.name, dp.id, dp2.name as channel, ex.name as author_name, ex.specialization, ex.images FROM jos_deeppockets as dp LEFT JOIN jos_experts as ex ON ex.id = dp.author LEFT JOIN jos_deeppockets as dp2 ON dp2.id = dp.fid WHERE dp.author != 0 AND dp.cat = 10 AND dp.published = 1 AND ( (dp.fid = 294743300) OR (dp.fid = 294743301) OR (dp.fid = 294743302) OR (dp.fid = 294743303) OR (dp.fid = 294743304) OR (dp.fid = 294743305) OR (dp.fid = 294743306) OR (dp.fid = 294743307) OR (dp.fid = 294743308) OR (dp.fid = 294743309) OR (dp.fid = 294743310) ) ORDER BY RAND() LIMIT 1
113 (!!!!! 1293.8976287842): SELECT dp.name, dp.id, dp2.name as channel, ex.name as author_name, ex.specialization, ex.images FROM jos_deeppockets as dp LEFT JOIN jos_experts as ex ON ex.id = dp.author LEFT JOIN jos_deeppockets as dp2 ON dp2.id = dp.fid WHERE dp.author != 0 AND dp.cat = 10 AND dp.published = 1 AND ( (dp.fid = 294743300) OR (dp.fid = 294743301) OR (dp.fid = 294743302) OR (dp.fid = 294743303) OR (dp.fid = 294743304) OR (dp.fid = 294743305) OR (dp.fid = 294743306) OR (dp.fid = 294743307) OR (dp.fid = 294743308) OR (dp.fid = 294743309) OR (dp.fid = 294743310) ) ORDER BY RAND() LIMIT 1
114 (557.89947509766): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
115 (445.12748718262): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
116 (649.92904663086): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
117 (!!!!! 1850.1281738281): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
118 (118.01719665527): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
119 (73.19450378418): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
120 (93.936920166016): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
121 (63.896179199219): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
122 (468.96934509277): SELECT * FROM trending_articles WHERE `journal_id` = 10 AND `timestamp` <= NOW() + INTERVAL 7 DAY ORDER BY `order`
123 (!!!!! 32554.864883423): SELECT * FROM jos_deeppockets WHERE jos_deeppockets.cat = 10 AND jos_deeppockets.type = 'deeppockets_item' AND jos_deeppockets.published = 1 AND jos_deeppockets.created + INTERVAL 14 DAY >= NOW() ORDER BY jos_deeppockets.hits DESC LIMIT 7
124 (751.97219848633): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294731468 AND type='deeppockets_item' AND published='1' union SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294731468 AND type='deeppockets_item' AND published='1' LIMIT 1
125 (!!!!! 10675.191879272): ( SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.video != '' AND dp.video_source != '' AND dp.cat = 10 AND dp.published = 1 AND dp.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) UNION ( SELECT dpa.id, dpa.name, dpa.title, dpa.video, dpa.video_source, dpa.created FROM jos_deeppockets_archive AS dpa WHERE dpa.video != '' AND dpa.video_source != '' AND dpa.cat = 10 AND dpa.published = 1 AND dpa.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) ORDER BY created DESC LIMIT 3
126 (114.91775512695): ( SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.video != '' AND dp.video_source != '' AND dp.cat = 10 AND dp.published = 1 AND dp.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) UNION ( SELECT dpa.id, dpa.name, dpa.title, dpa.video, dpa.video_source, dpa.created FROM jos_deeppockets_archive AS dpa WHERE dpa.video != '' AND dpa.video_source != '' AND dpa.cat = 10 AND dpa.published = 1 AND dpa.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) ORDER BY created DESC LIMIT 3
127 (72.956085205078): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803337 LIMIT 1
128 (42.200088500977): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803337 LIMIT 1
129 (77.009201049805): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803276 LIMIT 1
130 (48.160552978516): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803276 LIMIT 1
131 (448.94218444824): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets_archive AS dp WHERE dp.id = 294803276 LIMIT 1
132 (56.982040405273): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets_archive AS dp WHERE dp.id = 294803276 LIMIT 1
133 (51.975250244141): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294802958 LIMIT 1
134 (39.815902709961): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294802958 LIMIT 1
135 (667.09518432617): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
136 (561.95259094238): SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
137 (442.9817199707): SELECT name FROM jos_deeppockets WHERE id=212
138 (57.93571472168): SELECT name FROM jos_deeppockets WHERE id=212
139 (!!!!! 2321.9585418701): SELECT *, DATE_FORMAT(publish_up,'%d %b %Y') AS date_publish_up, DATE_FORMAT(publish_down,'%d %b %Y') AS date_publish_down FROM jos_events WHERE state=1 AND publish_up > NOW() and extra_info REGEXP '((;)|(^))212((;)|($))' AND catid IN (0,110) ORDER BY publish_up ASC LIMIT 3
140 (907.89794921875): SELECT *, DATE_FORMAT(publish_up,'%d %b %Y') AS date_publish_up, DATE_FORMAT(publish_down,'%d %b %Y') AS date_publish_down FROM jos_events WHERE state=1 AND publish_up > NOW() and extra_info REGEXP '((;)|(^))212((;)|($))' AND catid IN (0,110) ORDER BY publish_up ASC LIMIT 3
141 (143.05114746094): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
142 (72.956085205078): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
143 (!!!!! 14337.062835693): TRUNCATE TABLE jos_trademed_module
144 (185.96649169922): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294731468 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
145 (102.04315185547): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets_archive as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294731468 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
146 (791.07284545898): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
147 (101.80473327637): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
148 (184.05914306641): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
149 (97.990036010742): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
150 (!!!!! 1657.0091247559): SELECT jos_item.* FROM jos_item INNER JOIN jos_number ON jos_item.numberID=jos_number.id WHERE 1=1 AND (jos_item.imgMini<>'') AND jos_item.type='L' AND jos_item.numberID= ( SELECT jos_number.id FROM jos_number WHERE jos_number.journalID IN (10) and jos_number.id in (select distinct jos_number.id from jos_number join jos_item on jos_item.numberid=jos_number.id where jos_item.type='P') ORDER BY (CONVERT(SUBSTRING(issue,1,2),SIGNED) + (CONVERT(SUBSTRING(issue,3,2),SIGNED)*100)) DESC LIMIT 0,1 ) ORDER BY RAND() DESC LIMIT 6
151 (75.101852416992): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
152 (71.048736572266): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
153 (51.021575927734): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294731468 AND type='deeppockets_item' AND published='1' union SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294731468 AND type='deeppockets_item' AND published='1' LIMIT 1
154 (36.001205444336): select distinct links.* from jos_textlinks links join jos_textlinks_placement placement on links.id=placement.link_id where journal_id=(10) and (channel_id=212 or channel_id is null)
155 (30.994415283203): select distinct links.* from jos_textlinks links join jos_textlinks_placement placement on links.id=placement.link_id where journal_id=(10) and (channel_id=212 or channel_id is null)
156 (44.107437133789): SELECT livesite FROM jos_dp_categories WHERE id=10 AND published='1' LIMIT 1
157 (374.07875061035): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
158 (97.036361694336): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294731468 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294731468 AND published='1' LIMIT 1
159 (67.949295043945): select jos_twitters.link from jos_twitters where cat=10
160 (42.915344238281): select jos_facebook.link from jos_facebook where cat=10
161 (41.007995605469): select jos_google_plus.link from jos_google_plus where cat=10
162 (42.915344238281): select jos_linkedin.link from jos_linkedin where cat=10
163 (442.0280456543): update jos_bannersmanager_banner set impmade=impmade+1 where id in(14615,14202,14203)
164 (!!!!! 1312.0174407959): insert into jos_banners_delta values (14615,'2025-06-27 21:57:39','216.73.216.249','view'),(14202,'2025-06-27 21:57:39','216.73.216.249','view'),(14203,'2025-06-27 21:57:39','216.73.216.249','view')