here proposed is more serviceable than others which, though more
comprehensive, are at the same time lacking in definiteness.

Our classification consists of the following classes, groups and
subdivisions:

I. _Common reactions._
1. Specific reactions.
2. Non-specific reactions.

II. _Doubtful reactions._

III. _Individual reactions._
1. Normal reactions.
2. Pathological reactions:
A. Derivatives of stimulus words.
B. Partial dissociation:
(a) Non-specific reactions.
(b) Sound reactions:
a. Words.
b. Neologisms.
(c) Word complements.
(d) Particles of speech.
C. Complete dissociation:
(a) Perseveration:
a. Association to preceding stimulus.
b. Association to preceding reaction.
c. Repetition of preceding stimulus.
d. Repetition of previous stimulus.
e. Repetition of preceding reaction.