Behavioral Sciences Flashcards
3 Neurons of the Nervous System
- motor, efferent
- interneurons
- sensory, afferent
Which Neuron Type is the Most Abundant ?
interneurons
2 Branches of the Autonomic Nervous System
- parasympathetic branch
- sympathetic branch
Function of the Parasympathetic Branch
rest and digest
Function of the Sympathetic Branch
fight or flight
4 Functions of the Parasympathetic Branch
- constricts pupils, bronchi
- stimulate saliva flow, peristalsis, bile release
- decrease HR
- contract bladder
7 Functions of the Sympathetic Branch
- inhibit digestion, bladder contraction
- increase HR
- relax bronchi
- dilate pupils
- piloerection or sweating
- stimulate orgasm, glucose production/release
- secrete nor/adrenaline
3 Brain Regions
- hindbrain
- midbrain
- forebrain
3 Features of the Hindbrain
- cerebellum
- medulla oblongata
- reticular formation
2 Features of the Midbrain
- superior colliculus
- inferior colliculus
5 Features of the Forebrain
- thalamus
- hypothalamus
- basal ganglia
- limbic system
- cerebral cortex {4 lobes}
Thalamus
relay station for sensory information
Hypothalamus
maintains homeostasis
The Hypothalamus Integrates with what to Maintain Homeostasis ?
with endo system through the hypophyseal portal system that connects to the anterior pituitary
Basal Ganglia
smoothens movements and helps maintain postural stability
Limbic System
controls emotion/memory
4 Features of the Limbic System
- septal nuclei - pleasure-seeking
- amygdala - fear/aggression
- hippocampus - memory
- fornix - communication within the limbic system
The Cerebral Cortex has what Features ?
has 4 lobes
1. frontal lobe
2. parietal lobe
3. occipital lobe
4. temporal lobe
5 Functions of the Frontal Lobe
- executive function
- impulse control
- long-term planning {prefrontal cortex}
- motor function {primary motor cortex}
- speech production {Broca’s area}
2 Functions of the Parietal Lobe
- sensation of touch, pressure, temp, pain {somatosensory cortex}
- spatial processing, orientation and manipulation