Brain Evolution Flashcards Preview

BIO FINAL > Brain Evolution > Flashcards

Flashcards in Brain Evolution Deck (7)
Loading flashcards...
1

Frontal Lobe

involved in decision making/problem solving/socialization etc; thought to be what set humans apart BUT volume of frontal cortex is no different from other primates

2

Changes in Development --> phenotypic differences in mature brains

additional rounds of cell division: mammalian/primate brains: difference in timing/duration of gene expression --> different structures

3

Neurological mechanisms in social behavior

evolution of mechanisms --> emergence of complex social behaviors

4

fMRI (functional MRI)

form of brain imaging that can be done in awake/behaving subjects: observe both structure/function, base on increase in blood flow

5

neuropeptides

compounds that act as neurotransmitters; found in in hypothalamus in brain (controls hormonal release from pituitary gland)

6

nonapeptides

class of neuropeptides; 9 amino acids: highly conserved, expressed in brain/gonads: function is critical to social behavior

7

Oxytocin (OT)/Vasopressin (VP) triggers

sexual stimulation, stress, nursing, prior to birth: widespread expression of receptors for each --> diverse physiological effects