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Recruitment status No longer recruiting
Unique ID issued by UMIN UMIN000016534
Receipt No. R000019194
Scientific Title Effects of prolonged working memory training on functions, structures and omics
Date of disclosure of the study information 2015/02/15
Last modified on 2022/08/23

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Basic information
Public title Effects of prolonged working memory training on functions, structures and omics
Acronym Effects of prolonged working memory training on functions, structures and omics
Scientific Title Effects of prolonged working memory training on functions, structures and omics
Scientific Title:Acronym Effects of prolonged working memory training on functions, structures and omics

Condition the healthy young
Classification by specialty
Adult Child
Classification by malignancy Others
Genomic information YES

Narrative objectives1 To investigate the effects of prolonged WMT on
(a) cognitive functions
(b) individual traits
(c) epigenetics and proteomics
(d) neural change
Basic objectives2 Efficacy
Basic objectives -Others
Trial characteristics_1 Others
Trial characteristics_2 Others
Developmental phase Not applicable

Primary outcomes EQSQ questionnaires, well being scale, GPS, TPS, envy tendency scale, affiliation tendency scale, trust scale, groupism scale, preoccupation scale, justice world scale, sex role eagalitalianism scale, identifity scale, love scale, future meditation scale, IRI scale, agency scale, Schizotypal Personality Questionnaire, BIS, thankful scale, psychopathy scale, Machiavellism scale, social comparison tendency scale, hardiness scale, psychopathy scale, a questionnaire about imagination, tiredness scale, TCI, NEO-FFI, CARRS, POMS, cognitive reflectivity-impulsiveness scale, guilty scale, self conciousness scale, cognitive desire, achievement motivation scale, need for uniqueness scale, natinalism scale, locus of control scale, sexual attitude scale, optimism scale, self efficacy scale, self handicapping scale, Japanese type A scale, learning motivation scale, dysexecutive questionnaire,
STAXI, critical thinking scale, Rosesnberg self esteem scale, Check list Strength,STAI, Beck's depression scale, paranoia checklist, percieved stress scale, delay discounting scale, GHQ30,QOL26,EQS
computerized working memory tasks, Raven's advanced progressive matrix test, reading comprehension test, Tanaka's intelligence test type B, Stroop test, S-A creativity test, remote associate test, epigenetics, protemics, brain volume, brain microstructurl property, cerebral blood flow, functional connectivitiy, brain activation
Key secondary outcomes

Study type Interventional

Study design
Basic design Parallel
Randomization Randomized
Randomization unit Cluster
Blinding Open -but assessor(s) are blinded
Control Placebo
Stratification NO
Dynamic allocation NO
Institution consideration Institution is not considered as adjustment factor.
Blocking YES
Concealment Pseudo-randomization

No. of arms 3
Purpose of intervention Educational,Counseling,Training
Type of intervention
Interventions/Control_1 playing a soft called "oni-training"
about a year
3 tasks, oni-keisan, oni-block, oni-mimizan.
As many times as possible.
Interventions/Control_2 playing a soft called "bimoji-training"
about a year.
playing the "all letters" training mode. play for 20 minutes.
As many times as possible.
Interventions/Control_3 no-intervention.
about a year.

Age-lower limit
18 years-old <=
Age-upper limit
27 years-old >=
Gender Male and Female
Key inclusion criteria right handedness. 18-27 year old. Japanese native speakers. Students of Tohoku university, Miyagi education university, and graduate school or equivalent or more than equivalent level of schools. no experience of faint during blood sampling. no experience of shodo except at school education, oni-training, can participate in the experiment a year later, can play DS games for 20 minuets for more than 70-80% of the all days.
Key exclusion criteria Metal in and around the body.
Claustrophobia. Possibility of pregnancy.
Target sample size 165

Research contact person
Name of lead principal investigator
1st name Ryuta
Middle name
Last name Kawashima
Organization IDAC, Tohoku University.
Division name Department of functional imaging.
Zip code 980-8575
Address 4-1, Seiryo-cho, Sendai city, Aoba-ku
TEL 022-717-7988

Public contact
Name of contact person
1st name Hikaru
Middle name
Last name Takeuchi
Organization IDAC, Tohoku University
Division name Division of developmental cognitive neuroscience
Zip code 980-8575
Address 4-1, Seiryo-cho, Aoba-ku, Sendai city
TEL 022-717-8457
Homepage URL

Institute Tohoku university

Funding Source
Organization chizaisozokeihi, nintendo's collaborative research fund, kakenhi
Category of Funding Organization Other
Nationality of Funding Organization

Other related organizations
Name of secondary funder(s)

IRB Contact (For public release)
Organization Tohoku university school of medicine, ethics committee
Address Tohoku university school of medicine, Seiryo-cho 2-1, Aoba-ward, Sendai, Miyagi
Tel 022-717-8007

Secondary IDs
Secondary IDs NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2


Other administrative information
Date of disclosure of the study information
2015 Year 02 Month 15 Day

Related information
URL releasing protocol analyzing
Publication of results Unpublished

URL related to results and publications analyzing
Number of participants that the trial has enrolled 180
Results analyzing
Results date posted
2019 Year 08 Month 29 Day
Results Delayed
Delay expected
Results Delay Reason busy
Date of the first journal publication of results
Baseline Characteristics analyzing
Participant flow analyzing
Adverse events analyzing
Outcome measures analyzing
Plan to share IPD
IPD sharing Plan description

Recruitment status No longer recruiting
Date of protocol fixation
2015 Year 01 Month 26 Day
Date of IRB
2015 Year 01 Month 26 Day
Anticipated trial start date
2015 Year 01 Month 29 Day
Last follow-up date
2016 Year 05 Month 14 Day
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
2033 Year 08 Month 18 Day

Other related information

Management information
Registered date
2015 Year 02 Month 13 Day
Last modified on
2022 Year 08 Month 23 Day

Link to view the page

Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name

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