01-09-2010, 08:16 AM
central vs peripheral. filling blanks
1. pure in one direction
2. nonsuppressible with fixation
3. multidirectional
4. unidirectional
5. mixed in terms of direction
6. suppressible with fixation
1. pure in one direction
2. nonsuppressible with fixation
3. multidirectional
4. unidirectional
5. mixed in terms of direction
6. suppressible with fixation