The Visual Systems of Zebrafish
Annual Review of Neuroscience,
Год журнала:
2024,
Номер
47(1), С. 255 - 276
Опубликована: Апрель 25, 2024
The
zebrafish
visual
system
has
become
a
paradigmatic
preparation
for
behavioral
and
systems
neuroscience.
Around
40
types
of
retinal
ganglion
cells
(RGCs)
serve
as
matched
filters
stimulus
features,
including
light,
optic
flow,
prey,
objects
on
collision
course.
RGCs
distribute
their
signals
via
axon
collaterals
to
12
retinorecipient
areas
in
forebrain
midbrain.
major
visuomotor
hub,
the
tectum,
harbors
nine
RGC
input
layers
that
combine
information
multiple
features.
retinotopic
map
tectum
is
locally
adapted
scene
statistics
subfield–specific
demands.
Tectal
projections
premotor
centers
are
topographically
organized
according
commands.
known
connectivity
more
than
20
processing
streams
allows
us
dissect
cellular
basis
elementary
perceptual
cognitive
functions.
Visually
evoked
responses,
such
prey
capture
or
loom
avoidance,
controlled
by
dedicated
multistation
pathways
that—at
least
larva—resemble
labeled
lines.
This
architecture
serves
neuronal
code's
purpose
driving
adaptive
behavior.
Язык: Английский
Neuromodulatory processing in the bi-pathway brain architecture
Current Opinion in Neurobiology,
Год журнала:
2025,
Номер
93, С. 103055 - 103055
Опубликована: Май 23, 2025
Язык: Английский
Uncovering multiscale structure in the variability of larval zebrafish navigation
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Май 16, 2024
Animals
chain
movements
into
long-lived
motor
strategies,
resulting
in
variability
that
ultimately
reflects
the
interplay
between
internal
states
and
environmental
cues.
To
reveal
structure
such
variability,
we
build
models
bridges
across
time
scales
enable
a
quantitative
comparison
of
behavioral
phenotypes
among
individuals.
Applied
to
larval
zebrafish
exposed
diverse
sensory
cues,
uncover
hierarchy
dominated
by
changes
orientation
distinguishing
cruising
wandering
strategies.
Environmental
cues
induce
preferences
along
these
modes
at
population
level:
while
fish
cruise
light,
they
wander
response
aversive
(dark)
stimuli
or
search
for
prey.
Our
method
enables
us
encode
dynamics
each
individual
transitions
coarse-grained
By
doing
so,
hierarchical
phenotypic
corresponds
exploration-exploitation
trade-offs.
Within
wide
range
major
source
variation
is
driven
prior
immediate
exposure
prey
induces
exploitation
phenotypes.
However,
large
degree
unexplained
pointing
hidden
override
context
contrasting
Altogether,
our
approach
extracts
timescales
strategies
deployed
during
navigation,
exposing
undiscovered
individuals
tuned
experience.
Язык: Английский
Uncovering multiscale structure in the variability of larval zebrafish navigation
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(47)
Опубликована: Ноя. 15, 2024
Animals
chain
movements
into
long-lived
motor
strategies,
exhibiting
variability
across
scales
that
reflects
the
interplay
between
internal
states
and
environmental
cues.
To
reveal
structure
in
such
variability,
we
build
Markov
models
of
movement
sequences
bridge
timescales
enable
a
quantitative
comparison
behavioral
phenotypes
among
individuals.
Applied
to
larval
zebrafish
responding
diverse
sensory
cues,
uncover
hierarchy
dominated
by
changes
orientation
distinguishing
cruising
versus
wandering
strategies.
Environmental
cues
induce
preferences
along
these
modes
at
population
level:
while
fish
cruise
light,
they
wander
response
aversive
stimuli,
or
search
for
appetitive
prey.
As
our
method
encodes
dynamics
each
individual
transitions
coarse-grained
use
it
hierarchical
phenotypic
exploration–exploitation
trade-offs.
Across
wide
range
major
source
variation
is
driven
prior
and/or
immediate
exposure
prey
induces
exploitation
phenotypes.
A
large
degree
not
explained
unravels
hidden
override
context
contrasting
Altogether,
extracting
strategies
deployed
during
navigation,
approach
exposes
individuals
reveals
tuned
experience.
Язык: Английский
The visuomotor transformations underlying defensive behaviors and hunting
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Май 7, 2024
Summary
The
visual
system
can
process
diverse
stimuli
and
make
the
decision
to
execute
appropriate
behaviors,
but
it
remains
unclear
where
how
this
transformation
takes
place.
We
imaged
zebrafish
while
larvae
responded
with
hunting,
freezing,
escape
systematically
identified
visually
driven
neurons
behaviorally
correlated
sensorimotor
neurons.
found
that
broadly
tuned
sensory
are
functionally
connected
respond
specifically
during
one
behavior,
occurs
in
optic
tectum.
also
four
other
areas
downstream
of
tectum,
these
specific
for
indicating
once
behave
has
been
made
segregation
pathways
continues
later
areas.
Our
findings
suggest
tectum
receives
information
is
responsible
selecting
a
single
behavioral
outcome,
which
then
relayed
Язык: Английский
Social maintenance masks induced aggression in zebrafish
Ashil Arroth Kuniyil,
Muhammed Sinan Malik,
Dhanusha Sivarajan
и другие.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 30, 2024
Abstract
Animal
behavior
is
dynamically
shaped
by
internal
states
and
external
social
contexts.
This
study
examines
how
buffering
influence
aggression
behavior.
Food
deprivation
mirror
stimuli
amplified
reduced
exploratory
activity,
highlighting
a
state-dependent
shift
in
behavioral
priorities.
However,
the
presence
of
conspecific
cues
significantly
mitigated
aggression,
irrespective
hunger,
underscoring
regulatory
role
interaction.
These
results
demonstrate
critical
interplay
between
metabolic
factors
modulating
stress-related
behaviors
position
zebrafish
as
powerful
model
for
unraveling
neurobiological
mechanisms
underlying
modulation
adaptive
strategies.
Язык: Английский