Back to Search
Start Over
Evo-devo and brain scaling: candidate developmental mechanisms for variation and constancy in vertebrate brain evolution
- Source :
- Brain, behavior and evolution. 78(3)
- Publication Year :
- 2011
-
Abstract
- Biologists have long been interested in both the regularities and the deviations in the relationship between brain, development, ecology, and behavior between taxa. We first examine some basic information about the observed ranges of fundamental changes in developmental parameters (i.e. neurogenesis timing, cell cycle rates, and gene expression patterns) between taxa. Next, we review what is known about the relative importance of different kinds of developmental mechanisms in producing brain change, focusing on mechanisms of segmentation, local and general features of neurogenesis, and cell cycle kinetics. We suggest that a limited set of developmental alterations of the vertebrate nervous system typically occur and that each kind of developmental change may entail unique anatomical, functional, and behavioral consequences for the organism. Thus, neuroecologists who posit a direct mapping of brain size to behavior should consider that not any change in brain anatomy is possible.
- Subjects :
- Nervous system
Paper
Ecology (disciplines)
Neurogenesis
Biology
Models, Biological
Behavioral Neuroscience
Developmental Neuroscience
Species Specificity
biology.animal
medicine
Animals
Set (psychology)
Organism
Body Patterning
Neurons
Cell Cycle
Vertebrate
Brain
Organ Size
Biological Evolution
Anatomy, Comparative
medicine.anatomical_structure
Brain size
Vertebrates
Evolutionary developmental biology
sense organs
Neuroscience
Subjects
Details
- ISSN :
- 14219743
- Volume :
- 78
- Issue :
- 3
- Database :
- OpenAIRE
- Journal :
- Brain, behavior and evolution
- Accession number :
- edsair.doi.dedup.....25f49b191fc6c0d4c4fe34c10510faae