The paper trail

The paper trail By Kerry Grens ARTICLE EXTRAS Growing a New Antidepressant A Harsh DecreeBrain Cells Video 1928 Histologist and Nobel laureate Santiago Ramon y Cajal writes in Degeneration and Regeneration in the Nervous System, "In adult centers the nerve paths are something fixed, ended, immutable. Everything may die, nothing may be regenerated." San


Register for free to listen to this article
Listen with Speechify
0:00
3:00
Share

By Kerry Grens

ARTICLE EXTRAS

1928 Histologist and Nobel laureate Santiago Ramon y Cajal writes in Degeneration and Regeneration in the Nervous System, "In adult centers the nerve paths are something fixed, ended, immutable. Everything may die, nothing may be regenerated."

Santiago Ramon y Cajal

1965 Joseph Altman and Gopal Das at the Massachusetts Institute of Technology are the first to describe neurogenesis in adult rat hippocampus, but Ramon y Cajal's dogma remains intact.

1977 Using radioactive thymidine labeling and electron microscopy, Michael Kaplan and James Hinds at Boston University find evidence of neurogenesis in the olfactory bulb and dentate gyrus of rat. Kaplan later writes in a 2001 Trends in Neurosciences article: "In the midst of a revolution one must chose allegiance, and during the 1960s and 1970s, those who chose to support the notion of neurogenesis in the adult brain were ignored or silenced."

Fernando Nottebohm

1983 Fernando ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to digital editions of The Scientist, as well as TS Digest, feature stories, more than 35 years of archives, and much more!
Already a member? Login Here
Image of small blue creatures called Nergals. Some have hearts above their heads, which signify friendship. There is one Nergal who is sneezing and losing health, which is denoted by minus one signs floating around it.
June 2025, Issue 1

Nergal Networks: Where Friendship Meets Infection

A citizen science game explores how social choices and networks can influence how an illness moves through a population.

View this Issue
Unraveling Complex Biology with Advanced Multiomics Technology

Unraveling Complex Biology with Five-Dimensional Multiomics

Element Bioscience Logo
Resurrecting Plant Defense Mechanisms to Avoid Crop Pathogens

Resurrecting Plant Defense Mechanisms to Avoid Crop Pathogens

Twist Bio 
The Scientist Placeholder Image

Seeing and Sorting with Confidence

BD
The Scientist Placeholder Image

Streamlining Microbial Quality Control Testing

MicroQuant™ by ATCC logo

Products

The Scientist Placeholder Image

Agilent Unveils the Next Generation in LC-Mass Detection: The InfinityLab Pro iQ Series

parse-biosciences-logo

Pioneering Cancer Plasticity Atlas will help Predict Response to Cancer Therapies

waters-logo

How Alderley Analytical are Delivering eXtreme Robustness in Bioanalysis