Related Experiment Video
Updated: Jan 3, 2026

11:18
Closed-loop Neuro-robotic Experiments to Test Computational Properties of Neuronal Networks
Published on: March 2, 2015
10.7K
Codes are for messages, not for neurons
1Fjälkestadsvägen 410-82, SE-29194Kristianstad, Sweden. bjornmerker@gmail.com.
The Behavioral and Brain Sciences
|November 29, 2019
Summary
Brain information processing relies on signal energy and cell location, not a complex neural code. Location provides significance, challenging traditional "coding in the brain" theories.
Area of Science:
- Neuroscience
- Information Theory
Background:
- The concept of a neural code, where specific patterns of neural activity represent information, is widely accepted.
- Eugene Sachs, a prominent neuroscientist, developed extensive arguments against this prevailing theory.
- His work proposed an alternative framework for understanding information processing in the brain.
Purpose of the Study:
- To present and elaborate on Eugene Sachs' arguments against the prevailing
- coding in the brain
- ,
Main Methods:
- Philosophical and theoretical analysis of neuroscience concepts.
- Critique of established theories in neural information processing.
- Drawing upon the summarized arguments of the late Eugene Sachs.
Main Results:
- Information in the brain is encoded by the energy within neural signals.
- The "code" is uniform across all cells.
- Cellular location is the sole determinant of informational significance.
Conclusions:
- The prevailing "coding in the brain" paradigm may be fundamentally flawed.
- Neural information processing is better understood through signal energy and spatial organization.
- Sachs' perspective offers a novel framework for future neuroscience research.
Related Concept Videos
Neurons as Communicators of the Brain
2.7K
Neurons, the fundamental units of the brain and nervous system, function as the primary transmitters of information throughout the body. Their ability to communicate through electrical and chemical signals is vital for every bodily function, from regulating the heartbeat to processing complex thoughts. Each neuron has three main components: the cell body (soma), dendrites, and an axon, each specialized to facilitate swift and efficient neural communication.
Cell Body
The cell body, also known...
Cell Body
The cell body, also known...
2.7K
Neuronal Communication
2.8K
Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
2.8K
Neurons: The Axon
6.7K
Axons are long, cytoplasmic processes of nerve cells capable of propagating electrical impulses known as action potentials. The cytoplasm or axoplasm of an axon contains neurofibrils, neurotubules, small vesicles, lysosomes, mitochondria, and various enzymes, all encased within the axolemma, the plasma membrane of the axon.
The axon attaches to the cell body at a cone-shaped elevation called the axon hillock. The initial part of the axon, closest to the hillock, is known as the initial segment....
The axon attaches to the cell body at a cone-shaped elevation called the axon hillock. The initial part of the axon, closest to the hillock, is known as the initial segment....
6.7K
Neuron Structure
230.2K
Overview
230.2K
Neuron Structure
17.5K
Neurons are the main type of cell in the nervous system that generate and transmit electrochemical signals. They primarily communicate with each other using neurotransmitters at specific junctions called synapses. Neurons come in many shapes that often relate to their function, but most share three main structures: an axon and dendrites that extend out from a cell body.
Structure and Function of Neurons
The neuronal cell body—the soma— houses the nucleus and organelles vital to...
Structure and Function of Neurons
The neuronal cell body—the soma— houses the nucleus and organelles vital to...
17.5K
Neurons: The Cell Body and the Dendrites
6.4K
A typical nerve cell comprises three main components: the cell body, dendrites, and the axon. The cell body, also known as the soma or perikaryon, serves as the central biosynthetic hub housing a nucleus surrounded by cytoplasm containing organelles commonly found in most cells. Notably, Nissl bodies, clusters of the rough endoplasmic reticulum and free ribosomes responsible for protein synthesis, are distinctive features of the neuronal cell body. As neurons age, aggregates of a brown pigment...
6.4K

