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Efficiency of functional brain networks


Langer, Nicolas. Efficiency of functional brain networks. 2012, University of Zurich, Faculty of Arts.

Abstract

Our
 perceptions,
 thoughts
 and
 experiences
 are
 the
 product
 of
 dynamic
 interactions
 occurring
 between
 functionally
 specialized
 regions
 of
 the
 brain.
 Thus,
 a
 complete
 understanding
 of
 such
 phenomena
 will
 by
 only
 possible
 once
 we
 understand
 how
 these
 interactions
 are
 organized
 and
 coordinated.
 The
 present
 thesis
 focuses
 on
 functional
 brain
 connectivity
 in
 the
 context
 of
 graph‐ theoretical
 network
 analysis
 to
 investigate
 so‐called
 small‐world
 networks.
 Recent
 studies
 have
 shown
 that
 functional
 and
 anatomical
 connections
 of
 the
 brain
 network
 are
 organized
 in
 a
 highly
 efficient
 small‐world
 manner.
 A
 small‐ world
 organization
 of
 the
 brain
 network
 implies
 a
 high
 level
 of
 local
 neighborhood
clustering
combined
with
global
efficiency
or
information
transfer.
 Thus
small‐world
networks
explain
how
the
brain
minimizes
wiring
costs
while
 simultaneously
 maximizing
 the
 efficiency
 information
 propagation.

Abstract

Our
 perceptions,
 thoughts
 and
 experiences
 are
 the
 product
 of
 dynamic
 interactions
 occurring
 between
 functionally
 specialized
 regions
 of
 the
 brain.
 Thus,
 a
 complete
 understanding
 of
 such
 phenomena
 will
 by
 only
 possible
 once
 we
 understand
 how
 these
 interactions
 are
 organized
 and
 coordinated.
 The
 present
 thesis
 focuses
 on
 functional
 brain
 connectivity
 in
 the
 context
 of
 graph‐ theoretical
 network
 analysis
 to
 investigate
 so‐called
 small‐world
 networks.
 Recent
 studies
 have
 shown
 that
 functional
 and
 anatomical
 connections
 of
 the
 brain
 network
 are
 organized
 in
 a
 highly
 efficient
 small‐world
 manner.
 A
 small‐ world
 organization
 of
 the
 brain
 network
 implies
 a
 high
 level
 of
 local
 neighborhood
clustering
combined
with
global
efficiency
or
information
transfer.
 Thus
small‐world
networks
explain
how
the
brain
minimizes
wiring
costs
while
 simultaneously
 maximizing
 the
 efficiency
 information
 propagation.

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Additional indexing

Item Type:Dissertation (monographical)
Referees:Jäncke Lutz, Michel Christoph
Communities & Collections:UZH Dissertations
Dewey Decimal Classification:Unspecified
Language:English
Place of Publication:Zurich
Date:2012
Deposited On:16 Apr 2019 13:18
Last Modified:15 Apr 2021 15:01
Number of Pages:195
Additional Information:Enthält Sonderdrucke
OA Status:Green

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