Exam 1 Flashcards
What is Bottom-up processing?
start with details and emerge towards the whole
What is Top-down processing?
start with the whole system and work your way back to the details
Dorsal is..
above
Ventral is..
below
Anterior is..
inner
Posterior is..
outer
Rostral is..
towards the nose
Caudal is..
down, and back
Medial is..
towards the midline
Lateral is..
away from the midline
Superior is..
towards the top of the head
Inferior is..
towards the bottom of the head
Name the three major anatomical planes?
- sagittal
- horizontal
- coronal (transverse)
Define blindsight.
it is the ability of a person who cannot see objects in their blind field to accurately reach for them while remaining “unconscious” of perceiving them
What is significant about the human and ape brain?
they have a 90 degree bend to their neural axis
The Horizontal plane of the brain includes the…
dorsal and ventral views
The Sagittal plane of the brain includes the…
medial and lateral views
The Coronal plan of the brain includes the…
anterior and posterior views
What are the meninges?
3 connective tissue layers that cover the brain
What are the names of the three layers of meninges?
- pia mater (Closest to CNS)
- arachnoid (very thin, like spider web)
- dura mater
What makes up the gray matter?
it is an area of the nervous system that’s densely pack with cell bodies and dendrites
What makes up the white matter?
it is an area of the nervous system that contains mostly myelinated axons (myelin is white)
Development of neurons in the brain involve the following processes:
- proliferation
- migration
- differentiation
- myelination
- synaptogenesis