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fMRI Study Shows Brain Training Effective, but Only for Task at Hand

By MedImaging International staff writers
Posted on 14 Jan 2014
Image: Activity in the right inferior frontal gyrus (yellow, which shows portion of brain impacted by training) shifted from “during control” (reactive) to “before control” (proactive) (Photo courtesy of the University of Oregon).
Image: Activity in the right inferior frontal gyrus (yellow, which shows portion of brain impacted by training) shifted from “during control” (reactive) to “before control” (proactive) (Photo courtesy of the University of Oregon).
“Brain training” techniques now exist on the Internet that includes software, games, applications (apps), all devised to prepare the brain to do better on problem-solving tasks. US physiologists are now saying they do seem to work, but there is a drawback.

The drawback, according to Dr. Elliot T. Berkman, a professor in the department of psychology at the University of Oregon (UO; Eugene, USA), and lead author on a study published in the January 1, 2014, issue of the Journal of Neuroscience, is that training for a specific task does enhance performance, but that advantage does not necessarily carry over to a new challenge.

The training provided in the study caused a proactive shift in inhibitory control. However, it is not certain if the improvement attained extends to other types of executive function such as working memory, because the researchers’ only focus was on inhibitory control, according to Dr. Berkman, who directs the psychology department’s social and affective neuroscience lab. “With training, the brain activity became linked to specific cues that predicted when inhibitory control might be needed,” he said. “This result is important because it explains how brain training improves performance on a given task--and also why the performance boost doesn’t generalize beyond that task.”

Sixty participants (27 male and 33 females aged 18–30) were involved in a three-phase study. Change in their brain activity was monitored with functional magnetic resonance imaging (fMRI) scanning. Half of the subjects were in the research group that was trained with a task that models inhibitory control—one kind of self-control—as a race between a “go” process and a “stop” process. A faster stop process indicates more efficient inhibitory control.

In each of a series of trials, study participants were given a “go” signal—an arrow pointing left or right. The individuals pressed a key corresponding to the direction of the arrow as quickly as possible, launching the go process. However, on 25% of the trials, a beep sounded after the arrow appeared, signaling participants to withhold their button press, initiating the stop process. Participants practiced either the stop-signal task or a control task that did not affect inhibitory control every other day for three weeks. Performance improved more in the training group than in the control group.

Neural activity was monitored using functional magnetic resonance imaging (fMRI), which captures changes in blood oxygen levels, during a stop-signal task. MRI scanning was performed in the UO’s Robert and Beverly Lewis Center for Neuroimaging. Activity in the inferior frontal gyrus and anterior cingulate cortex—brain areas that control inhibitory control—decreased during inhibitory control but increased immediately before it in the training group more than in the control group.

Brain training works, but just for the practiced task. The fMRI findings identified three regions of the brain of the trained subjects that showed changes during the task, prompting the researchers to hypothesize that emotional regulation may have been improved by reducing distress and frustration during the trials. Overall, the size of the training effect is small. A challenge for future research, they concluded, will be to identify protocols that might generate greater positive and lasting effects.

“Researchers at the University of Oregon are using tools and technologies to shed new light on important mechanisms of cognitive functioning such as executive control,” said Kimberly Andrews Espy, vice president for research and innovation and dean of the UO Graduate School. “This revealing study on brain training by Dr. Berkman and his team furthers our understanding of inhibitory control and may lead to the design of better prevention tools to promote mental health.”

These findings add to a growing body of studies that are exploring the impact of brain-training programs, according to the investigators.

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88 (36.001205444336): SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294750135 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
89 (40.054321289062): 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 (75.101852416992): SELECT show_live FROM jos_com_show_setting LIMIT 1
91 (44.107437133789): SELECT show_live FROM jos_com_show_setting LIMIT 1
92 (39.100646972656): SELECT show_live FROM jos_com_show_setting LIMIT 1
93 (36.001205444336): SELECT show_live FROM jos_com_show_setting LIMIT 1
94 (44.822692871094): SELECT show_live FROM jos_com_show_setting LIMIT 1
95 (36.001205444336): SELECT show_live FROM jos_com_show_setting LIMIT 1
96 (35.04753112793): SELECT show_live FROM jos_com_show_setting LIMIT 1
97 (35.04753112793): SELECT show_live FROM jos_com_show_setting LIMIT 1
98 (34.809112548828): SELECT show_live FROM jos_com_show_setting LIMIT 1
99 (36.001205444336): SELECT show_live FROM jos_com_show_setting LIMIT 1
100 (39.100646972656): SELECT show_live FROM jos_com_show_setting LIMIT 1
101 (36.001205444336): SELECT show_live FROM jos_com_show_setting LIMIT 1
102 (36.001205444336): SELECT show_live FROM jos_com_show_setting LIMIT 1
103 (36.001205444336): SELECT show_live FROM jos_com_show_setting LIMIT 1
104 (100.13580322266): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
105 (61.988830566406): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
106 (79.870223999023): 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=294750135 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
107 (69.141387939453): 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=294750135 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
108 (98.943710327148): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
109 (63.896179199219): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
110 (69.856643676758): 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=294750135 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
111 (633.95500183105): 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=294750135 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
112 (789.16549682617): 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 (519.99092102051): 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 (220.06034851074): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
115 (108.95729064941): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
116 (109.19570922852): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
117 (58.174133300781): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
118 (72.002410888672): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
119 (51.975250244141): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
120 (62.942504882812): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
121 (51.975250244141): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
122 (393.15223693848): SELECT * FROM trending_articles WHERE `journal_id` = 10 AND `timestamp` <= NOW() + INTERVAL 7 DAY ORDER BY `order`
123 (!!!!! 65276.861190796): 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 (!!!!! 1596.212387085): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294750135 AND type='deeppockets_item' AND published='1' union SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294750135 AND type='deeppockets_item' AND published='1' LIMIT 1
125 (!!!!! 26752.948760986): ( 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 (83.208084106445): ( 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 (499.01008605957): 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 (95.844268798828): 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 (387.90702819824): 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 (51.021575927734): 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 (301.83792114258): 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 (46.014785766602): 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 (336.1701965332): 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 (46.968460083008): 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 (577.92663574219): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
136 (490.90385437012): SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
137 (318.05038452148): SELECT name FROM jos_deeppockets WHERE id=212
138 (44.107437133789): SELECT name FROM jos_deeppockets WHERE id=212
139 (720.97778320312): 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((;)|($))' AND catid IN (0,110) ORDER BY publish_up ASC LIMIT 3
140 (641.82281494141): SELECT *, DATE_FORMAT(publish_up,'%d %b %Y') AS date_publish_up, DATE_FORMAT(publish_down,'%d %b %Y') AS date_publish_down FROM jos_events WHERE state=1 AND publish_up > NOW() and extra_info REGEXP '((;)|(^))212((;)|($))' AND catid IN (0,110) ORDER BY publish_up ASC LIMIT 3
141 (93.936920166016): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
142 (61.03515625): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
143 (!!!!! 10822.057723999): TRUNCATE TABLE jos_trademed_module
144 (129.93812561035): 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=294750135 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
145 (77.962875366211): 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=294750135 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
146 (!!!!! 1221.1799621582): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
147 (80.82389831543): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
148 (79.870223999023): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
149 (63.896179199219): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
150 (!!!!! 1713.0374908447): 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 (101.08947753906): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
152 (66.995620727539): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
153 (50.067901611328): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294750135 AND type='deeppockets_item' AND published='1' union SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294750135 AND type='deeppockets_item' AND published='1' LIMIT 1
154 (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)
155 (41.007995605469): 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 (49.114227294922): SELECT livesite FROM jos_dp_categories WHERE id=10 AND published='1' LIMIT 1
157 (187.15858459473): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
158 (69.856643676758): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294750135 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294750135 AND published='1' LIMIT 1
159 (121.8318939209): select jos_twitters.link from jos_twitters where cat=10
160 (43.869018554688): select jos_facebook.link from jos_facebook where cat=10
161 (40.054321289062): select jos_google_plus.link from jos_google_plus where cat=10
162 (41.007995605469): select jos_linkedin.link from jos_linkedin where cat=10
163 (370.97930908203): update jos_bannersmanager_banner set impmade=impmade+1 where id in(14615,14202,14203)
164 (!!!!! 1508.9511871338): insert into jos_banners_delta values (14615,'2025-06-24 09:37:25','216.73.216.120','view'),(14202,'2025-06-24 09:37:25','216.73.216.120','view'),(14203,'2025-06-24 09:37:25','216.73.216.120','view')