Related Experiment Video
Updated: Jun 20, 2026

07:08
Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
Published on: August 1, 2018
Numerical representation in the parietal lobes: abstract or not abstract?
Roi Cohen Kadosh1, Vincent Walsh
1Institute of Cognitive Neuroscience and Department of Psychology, University College London, London, United Kingdom. roi.cohenkadosh@psy.ox.ac.uk
The Behavioral and Brain Sciences
|August 29, 2009
Summary
Numerical representation in the brain is primarily non-abstract. This study challenges the abstract view, arguing it relies on distinct parietal cortex neuronal populations.
Area of Science:
- Cognitive Neuroscience
- Neurobiology
- Evolutionary Psychology
Background:
- Understanding neuronal specialization is key to human brain development and cognition.
- Numerical representation and its abstract nature are central to cognitive science.
- Existing theories often assume abstract numerical representation.
Purpose of the Study:
- To challenge the claim that numerical representation is abstract.
- To explore principles of cortical organization related to number processing.
- To discuss limitations in numerical cognition and cognitive neuroscience research.
Main Methods:
- Literature review and theoretical discussion.
- Analysis of principles of cortical organization.
- Examination of methodological and theoretical limitations in cognitive neuroscience.
Main Results:
- The claim for abstract numerical representation is challenged.
- Numerical representation is argued to be primarily non-abstract.
- Non-abstract numerical representation is supported by distinct neuronal populations in the parietal cortex.
Conclusions:
- Numerical cognition is not exclusively abstract.
- Parietal cortex plays a crucial role in non-abstract numerical representation.
- Further research should consider the non-abstract nature of numerical cognition.
Related Concept Videos
Lobes of the Cerebrum
The cerebral cortex, a critical structure of the brain, is intricately divided into two hemispheres, each consisting of four distinct lobes: occipital, temporal, frontal, and parietal. These lobes function cooperatively to regulate various cognitive and sensory functions, forming the basis of our complex neural capabilities.
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements.
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements.
Somatosensory, Motor, and Association Cortex
The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at the...
Somatosensation
The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
Association Areas of the Cortex
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Lateralization
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
Motor and Sensory Areas of the Cortex
The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.

