Question

identify a true statement about gamma aminobutyric acid.

it controls a persons ability to recognize opportunities for rewarding experiences in the environment.

it helps control the precision of the signal being carried from one neuron to the next.

it is involved in muscle action, learning, and memory.

it plays a key role in exciting many neurons to fire.

Explanation:

• Gamma - aminobutyric acid (GABA) is an inhibitory neurotransmitter. Let's analyze each option:
• Option 1: The ability to recognize rewarding experiences is related to dopamine, not GABA.
• Option 2: GABA, as an inhibitory neurotransmitter, helps regulate the flow of signals between neurons, controlling the precision of the signal transfer. Inhibitory neurotransmitters can prevent over - excitation and fine - tune the neural signals.
• Option 3: Acetylcholine is involved in muscle action, learning, and memory, not GABA.
• Option 4: GABA is inhibitory, so it does not excite neurons to fire; excitatory neurotransmitters like glutamate do that.

Answer:

B. It helps control the precision of the signal being carried from one neuron to the next.