Term
|
Definition
- Emotion
- Control of visceral function
- Olfaction
- Memory (some aspects) |
|
|
Term
| Limbic systen - regions involved in emotion |
|
Definition
- Orbital & medial prefrontal cortex
- Amygdala
- Mediodorsal nucleus of thalamus |
|
|
Term
| Amygdala - major nuclear regions |
|
Definition
| Basolateral, central, and medial |
|
|
Term
| Amygdaloid complex - emotion/experience |
|
Definition
Basolateral
Association cortex (neocortical and limbic) |
|
|
Term
| Amygdaloid complex - visceral control |
|
Definition
Central
Hypothalamus/brainstem |
|
|
Term
| Amygdaloid compelx - olfaction |
|
Definition
Medial
Olfactory cortex/hypothalamus |
|
|
Term
| Unipolar clinical depression |
|
Definition
Resting blood flow increased in:
- Amygdala
- Orbital and medial prefrontal cortex
- Mediodorsal nucleus of the thalamus |
|
|
Term
| Bilateral loss of amygdala |
|
Definition
| Difficulty in recognizing fearful facial expressions following bilateral loss of the amygdala |
|
|
Term
| Three layers of dentate gyrus |
|
Definition
| Molecular layer, granular layer, hilus (polymorph layer) |
|
|
Term
| Three layers of hippocampus |
|
Definition
Stratum radiatum, pyramidal cell layer, stratum oriens
- interneurons (basket cells) most prominent w/in or below the granule cell and pyramidal cell layers |
|
|
Term
| Selective neuron loss after global ischemia |
|
Definition
CA1
Hypoxia, ischemia, excitotoxicity |
|
|
Term
|
Definition
Shrunken hippocampus, gliosis, extensive cell loss (selective loss of neurons in the Hilus of the Dentate Gyrus, CA1 and CA3), preservation of granule cells of the dentate gyrus and CA2
Example of selective vulnerability |
|
|
Term
| Neurogenesis is influenced by... |
|
Definition
1. New neurons are generated in some regions of our brain during life
- Dentate gyrus (granule cells)
- Subventricular zone
2. Rate of neurogenesis can be influenced by some types of stimulation |
|
|
Term
| Neurogenesis and temporal lobe epilepsy |
|
Definition
|
|
Term
| Potential for growth and reorganization of remaining neurons and axons following injury |
|
Definition
Detrimental:
- Epilepsy
- Transition from spinal shock to hyperreflexia
- Spasticity following neuronal loss in other areas
Benefitial: Recovery of function |
|
|
Term
|
Definition
| Dentate gyrus, hippocampus, subiculum |
|
|
Term
|
Definition
- CA1 field (Sommer's sector)
- Polymorph layer of the dentate gyrus
- CA3 field |
|
|
