Palaeoanthropologists
have
yet
to
pinpoint
how
Homo
evolved
from
Australopithecus.
I
propose
niche
construction
ending
predator
ambush
and
stalking
attacks,
white
sclera,
ultrafast
team
cognition
were
key.Human
sclera
allows
the
quick,
distant
detection
of
line-of-sight.
This
is
unique.
In
other
primates,
predators
eliminate
conspicuous-eyed
individuals.
Consequently,
nonhuman
primates
coloured
hiding
gaze
direction
broadcasting.
Recognizing
line-of-sight’s
split-second
changes
a
distance
enables
attention
shifts
that
support
intercoupling
cognitions
(cognitive
alignment,
shared
intentionality,
coordination).
Under
certain
conditions,
such
coordinated
teams
can
niche-construct
predator-shunning
safe
habitats.
Once
shunning
replaces
hunting,
it
stops
targeting,
allowing
persist.Constructing
predator-safe
habitats
ended
“landscape
fear”
limited
Australopithecus
foraging,
health,
cognitive/cultural
development.
shunned
freed
fear,
these
allowed
previously
“wheel-clamped”
cognitive
potentials,
including
social
learning,
flourish,
revolutionizing
hominin
capacity
for
cultural
evolution
cumulative
culture.
Thus,
transfigured
Australopithecus’s
phenotype
into
Homo.
White-eyed
australopiths,
argue,
first
humans.Significance
Statement:
The
prevailing
view
genetic
initiated
emergence
human
genus
However,
research
on
fear
in
songbirds
capuchin
monkeys,
along
with
its
negative
effects
learning
transmission,
points
non-genetic
alternative.
this
account,
arose
when
group
found
way
gain
shunning,
not
attack,
freeing
them
constant
predation
fear.
Ending
unlocked
triggering
phenotypic
change
dividing
humans
hominids.
Critically,
plausible
mechanism
must
enabled
achieve
end
predation.
A
comprehensive
review
provides
compelling
argument
did
indeed
exist
past
occurrence
be
empirically
established.
proposed
centres
two
often-overlooked
traits:
conspicuous
our
line-of-sight
due
unique
ability
coordination.
proposal
posits
emerged
white-sclera-eyed
used
their
coordinate
as
get
shun
them.
perspective
challenges
dominant
assumptions
identifies
unexplored
avenues
origins.
Philosophical Transactions of the Royal Society B Biological Sciences,
Год журнала:
2025,
Номер
380(1925)
Опубликована: Май 1, 2025
It
is
becoming
clear
that
the
cognition
of
a
species
plays
an
important
role
in
successful
conservation,
with
cultural
processes
being
fundamental
part
this.
However,
contrast
to
mammals
and
birds,
very
little
known
about
(and
social
learning
underlies
these)
reptiles.
Here,
we
summarize
current
state
knowledge,
consider
why
this
information
so
limited
assess
candidate
behaviours
observed
wild,
which
warrant
further
investigation
through
lens
traditions.
We
then
make
suggestions
for
next
steps
necessary
start
address
issue.
This
includes
future
experimental
work
also
consideration
how
existing
datasets,
such
as
those
capturing
animal
movement
or
acoustic
activity,
can
be
used
questions.
In
addition,
emphasize
engaging
key
conservation
stakeholders,
zoos,
aquaria
ecotourism
providers,
could
play
furthering
our
understanding
behaviour
group
potential
implications
knowledge.
Whether
there
reptiles
relationship
has
remain
unclear;
however,
findings
review
suggest
these
are
areas
worthy
research.This
article
theme
issue
'Animal
culture:
changing
world'.
Frontiers in Psychology,
Год журнала:
2022,
Номер
13
Опубликована: Дек. 2, 2022
Social
gaze
has
received
much
attention
in
social
cognition
research
both
human
and
non-human
animals.
Gaze
following
appears
to
be
a
central
skill
for
acquiring
information,
such
as
the
location
of
food
predators,
but
can
also
draw
important
interactions,
which
turn
promotes
evolution
more
complex
socio-cognitive
processes
theory
mind
learning.
In
past
decades,
large
number
studies
been
conducted
this
field
introducing
differing
methodologies.
Thereby,
various
factors
influencing
results
experiments
have
identified.
This
review
provides
an
overview
advances
study
following,
highlights
some
limitations
within
area.
The
majority
on
animals
focused
primates
canids,
limits
evolutionary
interpretations
only
few
closely
related
lineages.
incorporates
new
insights
gained
from
previously
understudied
taxa,
fishes,
reptiles,
birds,
it
will
provide
brief
outline
mammal
studies.
We
propose
that
foundations
emerged
early
history.
Basic,
reflexive
co-orienting
responses
might
already
evolved
would
explain
ubiquity
seen
amniotes.
More
skills,
geometrical
ability
form
predictions
based
gaze,
seem
separately
at
least
two
times
appear
correlated
with
growing
complexity
brain
anatomy
increased
numbers
neurons.
However,
different
taxa
key
phylogenetic
positions
are
needed
better
understand
history
fundamental
skill.
The Anatomical Record,
Год журнала:
2024,
Номер
307(12), С. 3685 - 3716
Опубликована: Апрель 26, 2024
Recent
years
have
seen
increasing
scientific
interest
in
whether
neuron
counts
can
act
as
correlates
of
diverse
biological
phenomena.
Lately,
Herculano-Houzel
(2023)
argued
that
fossil
endocasts
and
comparative
neurological
data
from
extant
sauropsids
allow
to
reconstruct
telencephalic
Mesozoic
dinosaurs
pterosaurs,
which
might
proxies
for
behaviors
life
history
traits
these
animals.
According
this
analysis,
large
theropods
such
Tyrannosaurus
rex
were
long-lived,
exceptionally
intelligent
animals
equipped
with
"macaque-
or
baboon-like
cognition",
whereas
sauropods
most
ornithischian
would
displayed
significantly
smaller
brains
an
ectothermic
physiology.
Besides
challenging
established
views
on
dinosaur
biology,
claims
raise
questions
count
estimates
could
benefit
research
general.
Here,
we
address
findings
by
revisiting
Herculano-Houzel's
work,
identifying
several
crucial
shortcomings
regarding
analysis
interpretation.
We
present
revised
encephalization
dinosaurs,
derive
phylogenetically
informed
modeling
amended
dataset
endocranial
measurements.
For
large-bodied
particular,
recover
lower
than
previously
proposed.
Furthermore,
review
the
suitability
variables
numbers
relative
brain
size
predict
cognitive
complexity,
metabolic
rate
coming
conclusion
they
are
flawed
Instead
relying
when
reconstructing
argue
integrative
studies
needed
approach
complex
subject.
Typically
developing
(TD)
individuals
can
readily
orient
attention
according
to
others’
eye-gaze
direction,
an
ability
known
as
social
attention,
which
involves
both
innate
and
acquired
components.
To
distinguish
between
these
two
components,
we
used
a
critical
flicker
fusion
technique
render
gaze
cues
invisible
participants,
thereby
largely
reducing
influences
from
consciously
strategies.
Results
revealed
that
visible
could
trigger
attentional
orienting
in
TD
adults
(aged
20
30
years)
children
6
12
years).
Intriguingly,
only
the
involuntarily
respond
was
negatively
correlated
with
autistic
traits
among
all
participants.
This
substantially
impaired
autism
spectrum
disorder
(ASD)
high
traits.
No
such
association
or
reduction
observed
cues.
These
findings
provide
compelling
evidence
for
functional
demarcation
of
conscious
unconscious
gaze-triggered
emerges
early
life
develops
into
adulthood,
shedding
new
light
on
differentiation
aspects
attention.
Moreover,
they
contribute
comprehensive
understanding
endophenotypes
ASD.
Frontiers in Veterinary Science,
Год журнала:
2025,
Номер
11
Опубликована: Янв. 7, 2025
Domesticated
species
are
adapted
to
thrive
in
an
environment
with
regular
human
interaction,
and
these
interactions
influence
the
development
of
a
human-animal
relationship.
Chickens
most
abundant
domesticated
species,
but
their
relationship
humans
is
poorly
understood.
A
more
comprehensive
analysis
this
would
provide
valuable
insight
into
welfare
needs.
The
present
study
compares
behavior
non-domesticated
breed
Gallus
gallus
presence
familiar
human.
was
active
overall,
displayed
contact-seeking
behavior.
These
behavioral
differences
contribute
our
understanding
human-chicken
could
be
helpful
new
insights
for
improving
chickens
agricultural
practice.
Animal Cognition,
Год журнала:
2023,
Номер
26(5), С. 1467 - 1476
Опубликована: Май 31, 2023
Abstract
Preening
behaviours
are
widespread
in
extant
birds.
While
most
birds
appear
to
autopreen
(self-directed
preening),
allopreening
(preening
directed
at
conspecifics)
seems
have
emerged
only
certain
species,
but
across
many
families.
Allopreening
has
been
hypothesised
reinforce
mutual
relationships
and
cooperation
between
individuals,
underpin
various
socio-cognitive
abilities.
Palaeognathae
is
a
bird
group
exhibiting
neurocognitively
plesiomorphic
traits
compared
other
They
share
features
with
non-avian
paravian
dinosaurs
thus
important
for
the
study
of
cognitive
evolution
Despite
this,
correlation
complicated
social
behaviours,
not
systematically
studied
Palaeognathae.
Therefore,
we
examined
preening
four
species
palaeognaths:
common
ostriches
(
Struthio
camelus
),
greater
rheas
Rhea
americana
emus
Dromaius
novaehollandiae
elegant
crested
tinamous
Eudromia
elegans
).
We
findings
ravens
Corvus
corax
neognath
known
its
complex
cognition.
found
autopreening,
no
allopreening,
palaeognath
while
both
autopreening
was
ravens.
The
absence
suggests
an
emergence
this
behaviour
within
Neognathae.
contextualise
our
results
relation
underpinnings
implications
understanding
abilities
early
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 12, 2024
Recent
years
have
seen
increasing
scientific
interest
in
whether
neuron
counts
can
act
as
correlates
of
diverse
biological
phenomena.
Lately,
Herculano-Houzel
(2023)
argued
that
fossil
endocasts
and
comparative
neurological
data
from
extant
sauropsids
allow
to
reconstruct
telencephalic
Mesozoic
dinosaurs
pterosaurs,
which
might
proxies
for
behaviors
life
history
traits
these
animals.
According
this
analysis,
large
theropods
such
Tyrannosaurus
rex
were
long-lived,
exceptionally
intelligent
animals
equipped
with
'macaque-
or
baboon-like
cognition'
whereas
sauropods
well
most
ornithischian
would
displayed
significantly
smaller
brains
an
ectothermic
physiology.
Besides
challenging
established
views
on
dinosaur
biology,
claims
raise
questions
count
estimates
could
benefit
research
general.
Here,
we
address
findings
by
revisiting
Herculano-Houzel's
work,
identifying
several
crucial
shortcomings
regarding
analysis
interpretation.
We
present
revised
encephalization
dinosaurs,
derive
phylogenetically
informed
modeling
amended
dataset
endocranial
measurements.
For
large-bodied
particular,
recover
lower
than
previously
proposed.
Furthermore,
review
the
suitability
variables
numbers
relative
brain
size
predict
cognitive
complexity,
metabolic
rate
coming
conclusion
they
are
flawed
Instead
relying
when
reconstructing
argue
integrative
studies
needed
approach
complex
subject.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Авг. 14, 2023
ABSTRACT
The
visually
guided
behaviors
of
corvids
(Corvidae)
are
often
examined
in
previous
studies
because
they
provide
important
clues
about
their
perception,
attention,
and
cognition.
However,
the
details
regarding
how
orient
heads
toward
visual
targets
(or
use
fields
when
attending
to
targets)
remain
largely
unclear.
This
study
used
a
newly
established
motion
capture
system
examine
field
large-billed
crows
(
Corvus
macrorhynchos
).
Study
1
employed
an
ophthalmoscopic
reflex
technique
identify
configuration,
including
binocular
width
optic
axes,
as
well
degree
eye
movement.
2
track
head
movements
freely
moving
oriented
reconstructed
attention-getting
objects.
When
were
moving,
fields,
particularly
around
projection
beak-tip.
stopped
frequently
non-binocular
regions
where
axes
found
(close
axes).
On
such
occasions,
slightly
preferred
right
eye.
Overall,
is
clearly
predictable.
Thus,
while
untracked
could
introduce
some
level
uncertainty
(typically
within
15
degrees),
we
demonstrated
feasibility
inferring
crow’s
attentional
focus
by
3D
tracking
heads.
Our
represents
promising
initial
step
towards
establishing
gaze
methods
for
studying
corvid
behavior
Comparative Cognition & Behavior Reviews,
Год журнала:
2024,
Номер
19, С. 49 - 53
Опубликована: Янв. 1, 2024
A
persistent
anthropocentric
school
of
thought
prevents
comparative
cognition
from
truly
joining
the
evolutionary
sciences,
which
often
view
"cognition"
as
an
alien
subject
to
study
life.In
this
article,
I
argue
that
is
indeed
inherent
all
life
and
we
could
evolution
cognitive
skills
like
any
other
species-specific
trait
if
stop
elevating
convergence
over
differences,
adopt
inclusive
working
definition
cognition,
choose
new
model
organisms
with
a
strong
focus
on
phylogeny.