Spatial coding for action across spatial scales

K Fiehler, H Karimpur - Nature Reviews Psychology, 2023 - nature.com
Humans perform goal-directed actions such as reaching for a light switch or grasping a
coffee mug thousands of times a day. Behind the scenes of these seemingly simple actions …

Position-and scale-invariant object-centered spatial localization in monkey frontoparietal cortex dynamically adapts to cognitive demand

B Taghizadeh, O Fortmann, A Gail - Nature Communications, 2024 - nature.com
Egocentric encoding is a well-known property of brain areas along the dorsal pathway.
Different to previous experiments, which typically only demanded egocentric spatial …

[HTML][HTML] Contextual factors determine the use of allocentric information for reaching in a naturalistic scene

M Klinghammer, G Blohm, K Fiehler - Journal of vision, 2015 - iovs.arvojournals.org
Numerous studies have demonstrated that humans incorporate allocentric information when
reaching toward visual targets. So far, it is unclear how this information is integrated into the …

Scene configuration and object reliability affect the use of allocentric information for memory-guided reaching

M Klinghammer, G Blohm, K Fiehler - Frontiers in Neuroscience, 2017 - frontiersin.org
Previous research has shown that egocentric and allocentric information is used for coding
target locations for memory-guided reaching movements. Especially, task-relevance …

Perspective taking and systematic biases in object location memory

V Segen, G Colombo, M Avraamides, T Slattery… - Attention, Perception, & …, 2021 - Springer
The aim of the current study was to develop a novel task that allows for the quick
assessment of spatial memory precision with minimal technical and training requirements. In …

Spatial updating of allocentric landmark information in real-time and memory-guided reaching

Z Lu, K Fiehler - Cortex, 2020 - Elsevier
The 2-streams model of vision suggests that egocentric and allocentric reference frames are
utilized by the dorsal and the ventral stream for real-time and memory-guided movements …

Learned rather than online relative weighting of visual-proprioceptive sensory cues

L Mikula, V Gaveau, L Pisella… - Journal of …, 2018 - journals.physiology.org
When reaching to an object, information about the target location as well as the initial hand
position is required to program the motor plan for the arm. The initial hand position can be …

The Müller-Lyer illusion affects visuomotor updating in the dorsal visual stream

AJ de Brouwer, JBJ Smeets, TP Gutteling, I Toni… - Neuropsychologia, 2015 - Elsevier
To guide our actions, the brain has developed mechanisms to code target locations in
egocentric coordinates (ie, with respect to the observer), and to update these when the …

Facilitation of allocentric coding by virtue of object-semantics

H Karimpur, Y Morgenstern, K Fiehler - Scientific reports, 2019 - nature.com
In the field of spatial coding it is well established that we mentally represent objects for
action not only relative to ourselves, egocentrically, but also relative to other objects …

Spatial coding for memory-guided reaching in visual and pictorial spaces

H Karimpur, S Eftekharifar, NF Troje… - Journal of …, 2020 - jov.arvojournals.org
An essential difference between pictorial space displayed as paintings, photographs, or
computer screens, and the visual space experienced in the real world is that the observer …