Related by context. Frequent words. (Click for all words.) 58 auditory cortex 57 neuronal activity 57 brain plasticity 56 visual cortex 56 neurones 55 zebra finches 55 neural circuits 55 neural circuitry 55 synaptic connections 54 dopamine neurons 54 synaptic plasticity 53 brainstem 53 neurogenesis 53 forebrain 53 vocalization 53 dentate gyrus 53 neural 53 auditory 52 neurons 52 neural connections 52 nerve cells 52 brain 52 brain circuitry 52 dopaminergic neurons 52 myelination 52 prefrontal cortex 52 Wnt signaling 52 cortex 51 neural pathways 51 neocortex 51 neuronal cells 51 neural tissue 51 neuron 51 enzymatic activity 50 cognition 50 mutant mice 50 neuroendocrine 50 parietal cortex 50 cerebellum 50 frontal cortex 50 motor cortex 50 locomotor 50 sensory input 50 photoreceptor cells 50 neurotransmission 50 biochemically 50 neuroplasticity 50 auditory processing 50 excitatory 50 basal ganglia 50 mammalian brain 49 motor neurons 49 midbrain 49 cholinergic 49 synapses 49 plasticity 49 fMRI scans 49 vocalizations 49 cognitive abilities 49 dendritic spines 49 hippocampal 49 hippocampus 49 glucocorticoid 49 sensory nerves 49 reproductive hormones 49 mirror neurons 49 auditory nerve 48 neural networks 48 germ cells 48 dysregulated 48 homeostatic 48 cognitively 48 cognitive 48 photoreceptor 48 neuronal 47 hepatocyte 47 astrocyte 47 temporal lobe 47 synaptic 47 BDNF 47 olfactory bulb 47 neural mechanisms 47 NMDA receptors 47 hypothalamic 47 cognitive functions 47 neuropeptide 47 cerebral cortex 47 immunologically 47 striatum 47 germline 47 oligodendrocytes 47 telomerase activity 47 NF1 47 skeletal muscles 47 parietal 47 evolutionarily 47 p# gene 47 attentional 46 electrophysiological 46 temporal lobes 46 glia