Name: co-analysis of brain structure and function using fmri and diffusion-weighted imaging
Uploaded: 2012-11-08T12:00:00
Description: Watch this Scientific Journal Video about Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging at JoVE.com

목록 응답 및 자금 출처. 작품은 NIH RO1-MH54246 (MB), 국립 과학 재단 (National Science Foundation) BCS0923763 (MB), 계약 NBCHZ090439 아래의 국방 고급 연구 프로젝트 기관 (DARPA) (WS), 수상 N00014-11 이하 해군 연구 (ONR)의 사무실에 의해 지원됩니다 -1-0399 (WS) 및 계약 W911NF-10-2-0022 (WS)에서 육군 리서치 연구소 (백작). 이 프리젠 테이션에 포함 된 전망, 의견, 및 / 또는 연구 결과는 저자의 이러한하며 위의 기관이나 국방의 미국학과의 공식 전망이나 정책, 명시 적 또는 묵시적인을 대표로 해석되어서는 안됩니다.

1. MR 데이터 수집을위한 장비 도 2 및도 3은 확산 MRI 획득, 데이터 복구 및 섬유 추적에서 만든 할 선택의 숫자를 요약. 이 선택은 일반적으로 무역 오프를 포함하고, 최선의 선택 하나의 연구 목표에 따라 달라 않을 수 있습니다. 예를 들어, DSI와 멀티 쉘 HARDI은 (그림 2 참조) 일반적으로 DTI보다 높은 &#39;B-값 &quot;(즉, 강한 확산 가중치)을 사용합?...

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고해상도 음주 운전 및 섬유 tractography은 인간의 뇌의 결합 구조를 조사하는 강력한 방법을 제공합니다. 여기, 우리는이 구조 아키텍처는 의미 fMRI에 의해 평가 뇌 기능과 관련이있는 것으로 증거를 제시한다. fMRI 작업 활성화에 따라 tractography 씨앗을 사용하여, 우리는 시각적 인 관심을 동안 공동 운영중인 뇌 영역 기능 neuroanatomy의 사전 지식 (그림 7)과 해부학 connectedconsistent 있다는 ?...

co-analysis of brain structure and function using fmri and diffusion-weighted imaging

복잡한 계산 시스템의 연구는 이러한 회로 다이어그램과 같은 네트워크지도에 의해 촉진된다. 뇌 영역 충족이 크게 다른 뇌 영역과의 연결로 정의 할 수있는 기능 역할로, 뇌를 공부할 때 이러한 매핑은 특히 정보입니다. 이 보고서에서, 우리는 자기 공명 영상 (MRI)를 사용하여 뇌의 구조와 기능을 관련하여에 대한 소설, 비 침습적 방법을 설명합니다. 이 방법, 장거리 섬유 연결과 기능 영상 자료의 구조 이미지의 조합은 별개의 두인지 영역, 시각주의와 얼굴 인식에 도시된다. 구조 영상은 뇌의 흰색 물질 섬유 책자 (그림 1)을 따라 물 분자의 확산을 추적 확산 - 가중 영상 (음주 운전) 및 섬유 tractography과 수행됩니다. 이러한 섬유 책자를 시각화함으로써, 우리는 뇌의 장거리 결합 구조를 조사 할 수 있습니다. 결과는 favora를 비교bly 음주 운전, 확산 텐서 영상 (DTI)에서 가장 널리 사용되는 기법 중 하나. DTI는 뇌 기능의 상세한 해부학 - 정보 모델을 구축을 위해 자사의 유틸리티를 제한 섬유 책자의 복잡한 구성을 해결 할 수 없습니다. 반면에, 우리의 분석은 정밀도와 정확도로 알려진 neuroanatomy을 재현. 이 장점은 데이터 수집 절차에 부분적으로 인해 : 경로의 소수 (예, 6, 12)에서 많은 DTI 프로토콜 측정 확산하면서, 우리는 257 방향으로 확산을 평가하고 확산 스펙트럼 이미징 (DSI) 1, 2 프로토콜을 채용 자기 그라데이션 강도의 범위에서. 또한, DSI 데이터는 우리가 획득 한 데이터를 재구성에 대한보다 정교한 방법을 사용 할 수 있습니다. 이 실험 (영상 관심과 얼굴 인식)에서, tractography들은 기능 네트워크를 형성하는 무언가 가설을 지원, 해부학 적 연결되어있는 인간의 뇌의 공동 활성화 영역을 보여줍니다. 음주 운전은 우리가 &quot;회로 디를 만들 수 있습니다agram &quot;관심의 네트워크의 모니터링 작업 관련 뇌 활동의 목적으로, 개별 주체의 기초에 재현.

Watch this Scientific Journal Video about Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging at JoVE.com

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging

우리는 자기 공명 영상 (MRI)를 사용하여 뇌 기능과 구조의 동시 분석을위한 새로운 접근 방식을 설명합니다. 우리는 고해상도 확산 - 가중 영상과 흰색 물질 섬유 tractography로 뇌 구조를 신고 할 수 있습니다. 표준 구조 MRI는 달리,이 기술은 우리가 직접 뇌 네트워크의 기능 속성에 해부학 적 연결을 연관 할 수 있습니다.

fMRI 및 확산 - 가중 영상을 사용하여 뇌의 구조와 기능의 공동 분석

The study of complex computational systems is facilitated by network maps, such as circuit diagrams. Such mapping is particularly informative when ...

Research

JoVE Journal

Neuroscience

Simultaneous fMRI and Electrophysiology in the Rodent Brain

쥐 두뇌에 동시 fMRI와 전기 생리학

To examine the neural basis of the blood oxygenation level dependent (BOLD) magnetic resonance imaging (MRI) signal, we have developed a rodent model in ...

연구

신경과학

DiOLISTIC Labeling of Neurons from Rodent and Non-human Primate Brain Slices

로던트에서 뉴런과 비 인간 메이트 뇌 조각의 DiOLISTIC 라벨링

DiOLISTIC staining uses the gene gun to introduce fluorescent dyes, such as DiI, into neurons of brain slices (Gan et al., 2009; O'Brien and Lummis, 2007; ...

Combining Transcranial Magnetic Stimulation and fMRI to Examine the Default Mode Network

기본 모드 네트워크를 검사하기 위해 Transcranial 자석 자극과 fMRI를 결합

The default mode network is a group of brain regions that are active when an individual is not focused on the outside world and the brain is at "wakeful ...

Functional Imaging of Auditory Cortex in Adult Cats using High-field fMRI

하이 필드의 fMRI를 사용하여 성인 고양이의 청각 피질의 기능적 이미징

Current knowledge of sensory processing in the mammalian auditory system is mainly derived from electrophysiological studies in a variety of animal ...

Deep Brain Stimulation with Simultaneous fMRI in Rodents

설치류에 동시 fMRI를 깊은 뇌 자극

In order to visualize the global and downstream neuronal responses to deep brain stimulation (DBS) at various targets, we have developed a protocol for ...

Non-invasive Parenchymal, Vascular and Metabolic High-frequency Ultrasound and Photoacoustic Rat Deep Brain Imaging

비 침습적 실질, 혈관 및 대사 고주파 초음파 및 광 음향 쥐 뇌 심부 이미징

Photoacoustics and high frequency ultrasound stands out as powerful tools for neurobiological applications enabling high-resolution imaging on the central ...

Imaging Serotonergic Fibers in the Mouse Spinal Cord Using the CLARITY/CUBIC Technique

CLARITY를 사용하여 마우스 척수에서 세로토닌 섬유 이미징 / CUBIC 기술

Long descending fibers to the spinal cord are essential for locomotion, pain perception, and other behaviors. The fiber termination pattern in the spinal ...

Peering at Brain Polysomes with Atomic Force Microscopy

원자 힘 현미경과 뇌 Polysom​​es에서 피어링

The translational machinery, i.e., the polysome or polyribosome, is one of the biggest and most complex cytoplasmic machineries in cells. Polysomes, ...

A Free-breathing fMRI Method to Study Human Olfactory Function

인간의 후각 기능을 연구하기위한 자유 호흡 fMRI 방법

The study of human olfaction is a highly complex and valuable field with applications ranging from biomedical research to clinical evaluation. Currently, ...

Studying Brain Function in Children Using Magnetoencephalography

Magnetoencephalography를 사용 하 여 아이 들에 있는 두뇌 기능을 공부

Magnetoencephalography (MEG) is a non-invasive neuroimaging technique which directly measures magnetic fields produced by the electrical activity of the ...