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Boost in Brain Function Seen in First-Time Internet Users

By MedImaging International staff writers
Posted on 10 Nov 2009
Researchers found that middle-aged and older adults with little Internet experience were able to stimulate key centers in the brain that control decision-making and complex reasoning after just one week of surfing the Web.

The findings, presented by researchers from the University of California, Los Angeles (UCLA; USA) October 19, 2009, at the 2009 meeting of the Society for Neuroscience, held in Chicago, IL, USA, suggest that Internet training can trigger neural activation patterns and could potentially enhance brain function and cognition in older adults.

As the brain ages, a number of structural and functional changes occur, including atrophy, reductions in cell activity and increases in deposits of amyloid plaques and tau tangles, which can impact cognitive function. Research has shown that mental stimulation similar to that which occurs in individuals who frequently use the Internet may affect the effectiveness of cognitive processing and change the way the brain encodes new information.

"We found that for older people with minimal experience, performing Internet searches for even a relatively short period of time can change brain activity patterns and enhance function,” said study author Dr. Gary Small, a professor of psychiatry at the Semel Institute for Neuroscience and Human Behavior at UCLA and the author of "iBrain,” a book that describes the impact of new technology on the brain and behavior.

The UCLA team worked with 24 neurologically normal volunteers between the ages of 55 and 78. Before the study, half the participants used the Internet daily, while the other half had very little experience. Age, educational level, and gender were similar between the two groups. Study participants performed Web searches while undergoing functional magnetic resonance imaging (fMRI) scanning, which recorded the subtle brain-circuitry changes experienced during this activity. This type of scan tracks brain activity by measuring the level of cerebral blood flow during cognitive tasks.

After the first brain scan, participants went home and conducted Internet searches for one hour a day for a total of seven days over a two-week period. These practice searches involved using the Internet to answer questions about a variety of topics by exploring different websites and reading information. Participants then received a second brain scan using the same Internet simulation task but with different topics.

The first fMRI scan of participants with little Internet experience showed brain activity in regions controlling language, reading, memory, and visual abilities, which are located in the frontal, temporal, parietal, visual, and posterior cingulate regions, according to the UCLA researchers. The second brain scan of these participants, conducted after the practice Internet searches at home, demonstrated activation of these same regions, as well as triggering of the middle frontal gyrus and inferior frontal gyrus--areas of the brain known to be important in working memory and decision-making.

Therefore, after Internet training at home, participants with minimal online experience displayed brain activation patterns very similar to those seen in the group of experienced Internet users--after just a brief period. "The results suggest that searching online may be a simple form of brain exercise that might be employed to enhance cognition in older adults,” said Dr. Teena D. Moody, the study's first author and a senior research associate at the Semel Institute at UCLA.

When performing an Internet search, the ability to hold important information in working memory and to extract the important points from competing graphics and words is essential, Dr. Moody noted.

Previous research by the UCLA team discovered that searching online resulted in a more than twofold increase in brain activation in older adults with earlier experience, compared with those with little Internet experience. According to Dr. Small, the new findings suggest that it may take only days for those with minimal experience to match the activity levels of those with years of experience.

Further studies may address the impact of the Internet on younger individuals and help identify facets of online searching that generate the greatest levels of brain activation.

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89 (33.140182495117): 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 (63.896179199219): SELECT show_live FROM jos_com_show_setting LIMIT 1
91 (30.994415283203): SELECT show_live FROM jos_com_show_setting LIMIT 1
92 (28.848648071289): SELECT show_live FROM jos_com_show_setting LIMIT 1
93 (36.001205444336): SELECT show_live FROM jos_com_show_setting LIMIT 1
94 (50.067901611328): SELECT show_live FROM jos_com_show_setting LIMIT 1
95 (33.855438232422): SELECT show_live FROM jos_com_show_setting LIMIT 1
96 (31.948089599609): SELECT show_live FROM jos_com_show_setting LIMIT 1
97 (29.087066650391): SELECT show_live FROM jos_com_show_setting LIMIT 1
98 (28.133392333984): SELECT show_live FROM jos_com_show_setting LIMIT 1
99 (33.855438232422): SELECT show_live FROM jos_com_show_setting LIMIT 1
100 (33.140182495117): SELECT show_live FROM jos_com_show_setting LIMIT 1
101 (33.855438232422): SELECT show_live FROM jos_com_show_setting LIMIT 1
102 (29.087066650391): SELECT show_live FROM jos_com_show_setting LIMIT 1
103 (30.040740966797): SELECT show_live FROM jos_com_show_setting LIMIT 1
104 (120.87821960449): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
105 (51.975250244141): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
106 (59.127807617188): 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=294726333 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
107 (56.028366088867): 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=294726333 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
108 (79.154968261719): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
109 (66.041946411133): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
110 (47.206878662109): 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=294726333 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
111 (582.93342590332): 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=294726333 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
112 (588.89389038086): 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 (383.85391235352): 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 (113.96408081055): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
115 (46.014785766602): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
116 (56.982040405273): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
117 (40.054321289062): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
118 (82.015991210938): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
119 (124.93133544922): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
120 (50.067901611328): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
121 (41.961669921875): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
122 (310.18257141113): SELECT * FROM trending_articles WHERE `journal_id` = 10 AND `timestamp` <= NOW() + INTERVAL 7 DAY ORDER BY `order`
123 (!!!!! 24716.138839722): 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 (680.20820617676): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294726333 AND type='deeppockets_item' AND published='1' union SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294726333 AND type='deeppockets_item' AND published='1' LIMIT 1
125 (!!!!! 9052.038192749): ( 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 (90.122222900391): ( 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 (77.962875366211): 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 (41.961669921875): 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 (59.127807617188): 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 (72.956085205078): 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 (374.07875061035): 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 (45.061111450195): 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 (42.915344238281): 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 (36.954879760742): 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 (650.88272094727): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
136 (535.01129150391): SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
137 (61.988830566406): SELECT name FROM jos_deeppockets WHERE id=212
138 (43.869018554688): SELECT name FROM jos_deeppockets WHERE id=212
139 (860.92948913574): 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((;)|($))' AND catid IN (0,110) ORDER BY publish_up ASC LIMIT 3
140 (789.88075256348): SELECT *, DATE_FORMAT(publish_up,'%d %b %Y') AS date_publish_up, DATE_FORMAT(publish_down,'%d %b %Y') AS date_publish_down FROM jos_events WHERE state=1 AND publish_up > NOW() and extra_info REGEXP '((;)|(^))212((;)|($))' AND catid IN (0,110) ORDER BY publish_up ASC LIMIT 3
141 (108.00361633301): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
142 (72.002410888672): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
143 (!!!!! 8297.9202270508): TRUNCATE TABLE jos_trademed_module
144 (100.13580322266): 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=294726333 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
145 (56.982040405273): 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=294726333 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
146 (!!!!! 1110.0769042969): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
147 (79.870223999023): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
148 (81.062316894531): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
149 (62.942504882812): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
150 (!!!!! 1648.9028930664): 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 (137.0906829834): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
152 (74.148178100586): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
153 (76.055526733398): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294726333 AND type='deeppockets_item' AND published='1' union SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294726333 AND type='deeppockets_item' AND published='1' LIMIT 1
154 (51.021575927734): 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 (41.961669921875): 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 (78.916549682617): SELECT livesite FROM jos_dp_categories WHERE id=10 AND published='1' LIMIT 1
157 (926.01776123047): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
158 (60.081481933594): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294726333 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294726333 AND published='1' LIMIT 1
159 (46.014785766602): select jos_twitters.link from jos_twitters where cat=10
160 (30.040740966797): select jos_facebook.link from jos_facebook where cat=10
161 (30.994415283203): select jos_google_plus.link from jos_google_plus where cat=10
162 (30.040740966797): select jos_linkedin.link from jos_linkedin where cat=10
163 (309.94415283203): update jos_bannersmanager_banner set impmade=impmade+1 where id in(14615,14202,14203)
164 (990.86761474609): insert into jos_banners_delta values (14615,'2025-06-28 19:27:53','216.73.216.249','view'),(14202,'2025-06-28 19:27:53','216.73.216.249','view'),(14203,'2025-06-28 19:27:53','216.73.216.249','view')