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25th European Congress of Psychiatry / European Psychiatry 41S (2017) S106–S169

trated by actigraphy. Studies investigating early ADHD risk factors

could lead to a preschool ADHD risk index to help guide future early


Disclosure of interest

The authors have not supplied their decla-

ration of competing interest.


Executive functioning, response

inhibition and attentional process

impairments in impulsive children

F. Mozaffarinejad

1 ,

, N .




BA, Clinical Psychology, Tehran, Iran


Shahid Beheshti University, Consulting, Tehran, Iran

Corresponding author.

Impulsivity is a multidimensional concept that incorporates fail-

ure of response inhibition, rapid processing of information, novelty

seeking, and inability to delay gratification. Aggressive, suicidal and

violent behaviors have been shown to be associated with impulsi-

vity and difficulty in inhibiting responses. As explorers of executive

function (EF) and impulsivity research areas believe this two are

generally considered conceptually distinct, and suggest that they

may be antipodes (i.e., widely separated on a common contin-

uum, upon which they are related), We selected subjects with high



= 25) and low (


= 25) levels of impulsivity among 537 students

of ages 8 to 10 years-old, who were measured by Conners Teacher

Rating impulsivity Scale. Using computerized versions, response

inhibition was examined by their performance in a Go/No Go task,

general performance in executive functions (EF) was measured by

tower of London Test and continuous performance test (CPT) was

used to assess their attentional processes. Using independent t-

test and ANOVA, the results revealed that overall performance of

executive functions in impulsive children in all three areas were

remarkably damaged: they had impaired performance regarding

Go/No Go task results; also have consumed more time and com-

mitted more errors and a worse general performance; and had

more errors and weaker performance in attentional processes. The

results of this study along with similar results would be effective in

achieving a brighter image of impulsive children’s cognitive prob-

lems in order to provide efficient treatments focused on improving

their executive functions.

Disclosure of interest

The authors have not supplied their decla-

ration of competing interest.


Assessing discomfort and avoidance of

social situations due to weight and

physical appearance in adolescents:

An exploratory factor analysis of a

new measure

M. Cunha

1 ,

, A.R. Costa


, L. Palmeira


, M. Couto


, A. Galhardo



Miguel Torga Institute/CINEICC, Clinical Psychology, Coimbra,



Miguel Torga Institute, Clinical Psychology, Coimbra, Portugal


FPCE University of Coimbra, CINEICC, Coimbra, Portugal

Corresponding author.


In adolescence experiencing weight and physical

appearance concerns is common. These body and weigh-related

preoccupations are associated with anxiety and may lead adoles-

cents to avoid social situations where their body image is exposed.


The present study aimed to conduct an exploratory factor

analysis and explore the psychometric properties of a new mea-

sure of social situations discomfort and avoidance due to weight or

physical appearance (DASSWPA) in a sample of adolescents.


The sample comprised 357 adolescents aged between

12 and 18-years-old, 195 males and 162 females, with a mean age

of 14.69 (SD = 1.68). Participants completed a set of self-reported

questionnaires concerning anxiety, stress and depression symp-

toms (DASS-21), bullying experiences (BIVES-A) and body image

related shame feelings (BISS).


The DASSWPA is comprised of two separate scales: one

regarding discomfort/anxiety and another one related to avoidance

of social situations. Results suggested that both scales presented a

similar two-factor structure. Both scales revealed good psychomet-

ric properties, including high internal consistency (


= 0.91) and

an excellent temporal stability. Moreover, DASSWPA showed sig-

nificant and positive associations with body image related shame

feelings, victimization experiences, and anxiety, stress and depres-

sions symptoms. Gender differences were also found, with girls

presenting significantly higher levels in the anxiety/discomfort

scale than boys.


The DASSWPA proved to be a reliable and stablemea-

sure to assess anxiety and avoidance of social situations due to one’s

physical appearance and weight in adolescents.

Disclosure of interest

The authors have not supplied their decla-

ration of competing interest.

e-Poster walk: Child and adolescent

psychiatry–part 2


Medication effects on EEG biomarkers

in attention-deficit/hyperactivity


M. Cebi

, N. ˙Isiten , B. Metin , B. Sütc¸ übas¸ ı , N. Tarhan

Uskudar University, Faculty of Humanities and Social Sciences,

Istanbul, Turkey

Corresponding author.

EEG biomarkers have become increasingly used to aid in diagnosis

of ADHD. Despite several studies suggesting that EEG theta/beta

ratio may help discriminating ADHD from other disorders, the

effect of medications on theta/beta ratio is not known. Forty-three

children with ADHD that were evaluated with quantitative EEG

before and after methylphenidate were included in the study.

Theta/beta ratio, theta and beta powers for whole brain, central

and frontal areas were calculated. Theta/beta power decreased

significantly after treatment; however this change was largely due

to an increase in beta power, rather than a fall in theta power.

The results suggest that beta power is sensitive to medication

effects, while theta power remains as a trait biomarker unaffected

by medication status. The value of EEG biomarkers for monitoring

neuropsychological performance and clinical status should be

explored by future studies.

Disclosure of interest

The authors have not supplied their decla-

ration of competing interest.


The association between problem

behaviors and Yin-Yang temperament

in Korean middle school students

S.J. Lee

1 , H.


2 ,


Kyungil University, Department of Psychotherapy, Kyungsan,

Republic of Korea


Pusan National University, School of Korean Medicine, Yangsan,

Republic of Korea

Corresponding author.