ムラガキ ヨシヒロ   MURAGAKI Yoshihiro
  村垣 善浩
   所属   研究施設 研究施設
   職種   教授
言語種別 英語
発表タイトル Frontal function for performing familiar action task normally: evidence from patients with frontal lobe damage
会議名 The 44th Naito Conference on"Decision Making in the Brain-Motivation, Prediction, and Learning"
学会区分 国際学会及び海外の学会
発表形式 ポスター掲示
講演区分 一般
発表者・共同発表者◎NIKI Chiharu, KUMADA,Takatsune KUMADA,Takatsune, MARUYAMA Takashi, TAMURA Manabu, MURAGAKI Yoshihiro
発表年月日 2017/10/05
開催地
(都市, 国名)
Sapporo
学会抄録 The 44th Naito Conference on "Decision Making in the Brain-Motivation, Prediction, and Learning" Program Abstract 96
概要 Introduction

Patients with right frontal lobe damage who showed using unnecessary objects when performing familiar sequential tasks were reported as action disinhibition syndrome (ADIS)(Niki et al., 2009). For example, both objects using for wrap a gift and those for calligraphy were presented to the patients and they asked to wrap a gift, one of the patients wrote a message for the gift using calligraphy. It is suggested that suppress using unnecessary objects for a goal of behaviour and lead suitable behaviours would be impaired. Furthermore, maintain behaviours in accordance with contexts of various scenes would be impaired. However, qualities of performing target sequences themselves are changed or not after frontal lobe damage have not been illuminated. In this study, we investigated whether quality of performance of patients with brain tumor was changed before and after surgery.
Methods

Patients: 10 patients with glioma in frontal lobe (9 right hemisphere, 1 left hemisphere, mean age=40.1) participated. All patients had undergone a neurosurgical resective operation. No patients had paralysis and paresis after surgery.

Task: Two single tasks and three distractor object-paired-tasks were administered twice, before and 6 months after surgery. For each the two single tasks, real objects necessary to perform only the target task were presented to the patients. For three distractor object-paired-t
asks, in addition to real objects necessary to perform the target tasks, distractor objects that would not be normally used were presented to them. Patients were instructed to perform the target task using the objects they wanted to use and also told that they did not need to use all of the presented objects. The behavior of them was videotaped. Action errors were classified nine categories: Omission, Semantic, Incompleteness, Perseveration, Repetition, Sequence, Toying, Addition, Distractor. For example, when failing to put a stamp to an envelope, classified as Omission error. When unnecessary objects were used to perform the target task, classified as Distr
actor error. To qualify contents of performing the target task, duration of performing tasks and that of writing a message were analyzed. <BR>